Estone&reg; New 8 Size Plastic Handle Crochet Aluminum Knit Hook Needle Knitting DIY Set 2.5-6mm (Purple) This hook set employs durable aluminum that's polished for extra smoothness The ergonomic shape grip that developed independently by Tulip is very comfortable to hold Material: ABS Handle & Aluminum Hook Size: This set includes the following 8 sizes: 2.5mm/0.10inch3.0mm/0.12inch3.5mm/0.14inch4.0mm/0.16inch, 4.5mm/0.18inch5.0mm/0.20inch5.5mm/0.22inch6.0mm/0.24inch Color: Blue/Yellow/Purple