spontaneous unaffectedDIY 8 Sizes 2.5-6.0mm Plastic Handle Aluminum Crochet Knit Hook Knitting Needles 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. Ideal for all crochet projects. Material : Aluminum and Plastic. 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.