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.

  • Tea and Biscuit Blanket

    Tea and Biscuit Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hayfield,
    • Yarn Name: Bonus DK,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet, Slip Stitch,
    • Color: Brown, Neutral,
  • Solstice Scarf

    Solstice Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet Back Loop,
    • Color: Neutral, White,
  • Rainbow Babygrow

    Rainbow Babygrow

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Slip Stitch,
    • Color: Variegated,
  • Spofforth Sweater

    Spofforth Sweater

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Heatherly Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Single Crochet, Slip Stitch,
    • Color: Blue,
  • Twisted Up Tunisian Simple Stitch

    Twisted Up Tunisian Simple Stitch

    Free Crochet Pattern
    • Skill Level: 1. Basic, 2. Easy,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Simple Stitch,
    • Color: Pink,
  • Solstice Mittens

    Solstice Mittens

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Half Double Crochet Back Loop,
    • Color: Neutral, White,
  • Broadquay Blanket

    Broadquay Blanket

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Knit Picks,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Half Double Crochet Two Together, Single Crochet, Slip Stitch, Triple Crochet,
    • Color: Brown,
  • Michelle Beanie

    Michelle Beanie

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Puff, Single Crochet,
  • Michelle Scarf

    Michelle Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Puff, Single Crochet,
  • Solstice Fingerless Mitts

    Solstice Fingerless Mitts

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral, White,
  • Solstice Winter Hat

    Solstice Winter Hat

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral, White,
  • Mountain Pine Crochet Tree Blanket

    Mountain Pine Crochet Tree Blanket

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Green, Neutral,
  • Easy Peasy Crochet Cowl Pattern

    Easy Peasy 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,
  • Beaded Scarf

    Beaded Scarf

    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: Double Crochet,
    • Color: Green,
  • Easy Crochet Baby Blanket

    Easy Crochet Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Premier Yarns,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Pink,
  • Ocean Breeze Crochet Scarf with Fringe

    Ocean Breeze Crochet Scarf with Fringe

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Caron Cakes,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8), 6 mm (J-10),
    • Stitches: Half Double Crochet Back Loop,
    • Color: Blue,
  • Diamond Mosaic Blanket

    Diamond Mosaic Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Rowan,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet Back Loop,
  • Crochet Easy Cowl

    Crochet Easy Cowl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Orange,
  • Easy Beginner Crochet Coaster Pattern

    Easy Beginner Crochet Coaster Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Bernat,
    • Yarn Name: Maker Home Dec,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet, Slip Stitch,
    • Color: Neutral, White,
  • How to Crochet the Waffle Stitch

    How to Crochet the Waffle Stitch

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Loops and Threads,
    • Yarn Name: Crème Cotton,
    • Hook Size: 6 mm (J-10),
  • Textured Crochet Blanket

    Textured Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Comfy Cotton Blend,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Blue, Neutral, Pink, Purple, Variegated,
  • Ice Cream Cone Potholder

    Ice Cream Cone Potholder

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
  • Textured Crochet Afghan Pattern (+7 Sizes!)

    Textured Crochet Afghan Pattern (+7 Sizes!)

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Pound of Love,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: White,
  • Cowl Neck Poncho Sweater

    Cowl Neck Poncho Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Moss / Linen, Single Crochet,
    • Color: Blue,
  • Marks In The Snow Throw

    Marks In The Snow Throw

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Stylecraft,
    • Yarn Name: Bellissima Chunky Yarn,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Neutral,
  • Easy Infinity Scarf

    Easy Infinity Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: White,
  • Crochet Ghost Halloween C2C Blanket Pattern

    Crochet Ghost Halloween C2C Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Pound of Love, Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Gray,
  • Bald Eagle Potholder

    Bald Eagle Potholder

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Brown, White, Yellow,
  • Zohal Baby Blanket

    Zohal Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Paintbox Yarn,
    • Yarn Name: Simply Chunky,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue, Neutral, Orange,
  • Walcot Beanie Crochet Pattern

    Walcot Beanie Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9), 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Gray,
  • Small Dog Bed Crochet Pattern

    Small Dog Bed Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Caron One Pound,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Red,
  • Skittles Summer Crochet Poncho

    Skittles Summer Crochet Poncho

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Moss / Linen,
    • Color: Variegated,
  • Twisted Chains Cowl

    Twisted Chains Cowl

    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: Double Crochet, Single Crochet, Triple Crochet,
  • Corner to Corner Heart Blanket Pattern

    Corner to Corner Heart Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Comfy Cotton Blend,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Slip Stitch,
    • Color: Brown, Neutral,
  • Warm Up America Alissa Crochet Rectangle Pattern #3

    Warm Up America Alissa Crochet Rectangle Pattern #3

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Paintbox Yarn,
    • Yarn Name: Simply Chunky,
    • Yarn Weight: Weight 5 – Bulky,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Orange,
  • Crochet Mason Jar Covers

    Crochet Mason Jar Covers

    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: Double Crochet, Half Double Crochet, Single Crochet,
  • Crochet Baby Easter Chicken Hat

    Crochet Baby Easter Chicken Hat

    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: Yellow,
  • Nina Chunky Poncho Wrap

    Nina Chunky Poncho Wrap

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Feels Like Butta,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Gray,
  • Cozy Rib Stitch Cowl

    Cozy Rib Stitch Cowl

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue, Gray, Pink,
  • Comfy Cotton Wrap

    Comfy Cotton Wrap

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Comfy Cotton Blend,
    • Yarn Weight: Weight 3 – Light,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Variegated,
  • Braided Blanket Ruana

    Braided Blanket Ruana

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Rowan,
    • Yarn Name: Kid Classic,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue,