Crochet Hook 6 mm (J-10)

This is the Easy Crochet archive for free crochet patterns using the J/10 hook size. The J-10 hook size is also known as the 6 mm metric and UK 4 hook. We recommend using the J hook with Medium weight yarn (Worsted, Afghan or Aran).

The J-10 / 6 mm / UK4 hook is the perfect size for making everything from baby blankets to scarves to ear warmers.

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Free Crochet Patterns using 6 mm (J-10) Crochet Hooks

These free crochet patterns were all created using various yarn types and brands, but all use the 6 mm (J-10) sized crochet hook.

  • Wrapped Crochet Headband Pattern

    Wrapped Crochet Headband Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Woolspun,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Green,
  • Pumpkin Striped Fall Crochet Blanket Pattern

    Pumpkin Striped Fall Crochet Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Orange,
  • Free Crochet Pumpkin Pattern

    Free Crochet Pumpkin Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Orange,
  • Andy Button Crochet Hat Pattern

    Andy Button Crochet Hat Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral,
  • Monster Eye Halloween Crochet Pattern & Keychain

    Monster Eye Halloween Crochet Pattern & Keychain

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Blue,
  • Andy Button Scarf Crochet Pattern

    Andy Button Scarf Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral,
  • Granny Square Basic Pillow Crochet Pattern

    Granny Square Basic Pillow Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Black, Gray, Yellow,
  • Free and Easy Crochet Blanket Pattern

    Free and Easy Crochet Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Pink,
  • Simple Square Free Crochet Pattern

    Simple Square Free Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Yellow,
  • Free Crochet Tote Bag Pattern for Summer

    Free Crochet Tote Bag Pattern for Summer

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Neutral, White,
  • Simple Chained Crochet Beanie Pattern

    Simple Chained Crochet Beanie Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Yellow,
  • Blooming Flower Crochet Square Pattern

    Blooming Flower Crochet Square Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet, Triple Crochet,
    • Color: Blue,
  • Crochet Doily Pattern

    Crochet Doily Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet,
    • Color: Neutral, White,
  • Easy & Free Rosette Flower Crochet Pattern

    Easy & Free Rosette Flower Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9), 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Brown, Pink,
  • Granny Ripple Blanket Crochet Pattern

    Granny Ripple Blanket Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Blue, Gray, White,
  • Primrose Crochet Stitch Tutorial

    Primrose Crochet Stitch Tutorial

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Hobby Lobby,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Pink,
  • Crochet Flower Pattern Blooming Spring Flower

    Crochet Flower Pattern Blooming Spring Flower

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand, Red Heart,
    • Yarn Name: Baby Soft, Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Bobble, Single Crochet,
    • Color: Blue,
  • Wavy Crochet Blanket Pattern

    Wavy Crochet Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand, Red Heart,
    • Yarn Name: Red Heart Soft, Vanna’s Choice,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
  • Free Crochet Newborn Hat Pattern

    Free Crochet Newborn Hat Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Bobble, Double Crochet,
    • Color: Pink,
  • Crochet Pattern Wavy Ways Blanket

    Crochet Pattern Wavy Ways Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Bernat,
    • Yarn Name: Satin,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Gray, Red, Yellow,
  • Knit Like Crochet Blanket Pattern Tutorial

    Knit Like Crochet Blanket Pattern Tutorial

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Blue,
  • Easy Crochet Beanie Pattern

    Easy Crochet Beanie Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Green, Neutral,
  • Crochet Square Motif Pattern

    Crochet Square Motif Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand, Red Heart,
    • Yarn Name: Red Heart Soft, Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Yellow,
  • Wonders Chevron Crochet Blanket Pattern

    Wonders Chevron Crochet Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand, Loops and Threads,
    • Yarn Name: Impeccable, Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Yellow,
  • Crochet Mitered Square Pattern

    Crochet Mitered Square Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Neutral, Pink,
  • Simple Puff Stitch Crochet Hat Pattern

    Simple Puff Stitch Crochet Hat Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Chic Sheep,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Puff, Single Crochet,
    • Color: Gray,
  • Crochet Puff Stitch Scarf

    Crochet Puff Stitch Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Neutral,
  • Cozy and Quick Double Crochet Beanie Pattern

    Cozy and Quick Double Crochet Beanie Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Woolspun,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue, Yellow,
  • Crochet Pizza Slice Pattern

    Crochet Pizza Slice Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
  • Easy Crochet Blanket Stitch Baby Blanket

    Easy Crochet Blanket Stitch Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Baby Soft,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Pink,
  • Coffee Cup or Mug Cozy Crochet Pattern

    Coffee Cup or Mug Cozy Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Woolspun,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
  • Mix it Up Crochet Scarf Pattern

    Mix it Up Crochet Scarf Pattern

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Woolspun,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
  • Colorful Chevron Blanket Pattern

    Colorful Chevron Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Green, Yellow,
  • Crochet Gift Basket Pattern

    Crochet Gift Basket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Red,
  • Simple Striped Scarf Crochet Pattern

    Simple Striped Scarf Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Gray,
  • Crochet Ripple Blanket Progress

    Crochet Ripple Blanket Progress

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Red Heart,
    • Yarn Name: Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
  • Simple Crochet Button Hat

    Simple Crochet Button Hat

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Neutral,
  • Free Christmas Washcloth Crochet Pattern

    Free Christmas Washcloth Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Green, Neutral, Red,
  • Crochet Slouchy Pom Pom Hat

    Crochet Slouchy Pom Pom Hat

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Color: Neutral,
  • Easy Crochet Striped Infinity Scarf Pattern

    Easy Crochet Striped Infinity Scarf Pattern

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Lion Brand, Red Heart,
    • Yarn Name: Heartland, Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Blue, Brown, White, Yellow,
  • Bear Crochet Hat Pattern

    Bear Crochet Hat Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Black,
  • Andi Crochet Infinity Scarf Pattern

    Andi Crochet Infinity Scarf Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Woolspun,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Gray,
  • Mint Green Fall Crochet Cowl Pattern

    Mint Green Fall Crochet Cowl Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Green,
  • Modern Ripple Crochet Car Seat Blanket Pattern

    Modern Ripple Crochet Car Seat Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Loops and Threads,
    • Yarn Name: Impeccable,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Green, Neutral, Yellow,