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.

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 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-Friendly Crochet Coaster Pattern

Easy & Beginner-Friendly 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: Paint Box Yarns,
  • 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 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: Paint Box Yarns,
  • 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,
Braided Scarf

Braided Scarf

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Feels Like Butta,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Front Loop Single Crochet,
  • Color: Gray,
Lacy Lemon Drop Kimono Cardigan

Lacy Lemon Drop Kimono Cardigan

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: 24/7 Cotton,
  • Yarn Weight: Weight 3 – Light,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
  • Color: Blue,
Spring Time Crochet Kimono

Spring Time Crochet Kimono

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 3 – Light,
  • Hook Size: 6 mm (J-10),
  • Stitches: Single Crochet, Triple Crochet,
  • Color: Blue,