YSTD&reg; 8pcs Mixed Soft Silicone Handle Aluminum Crochet Hook Knitting Knit Needle Weave Yarn Set 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 Length:app.13.8cm/5.4'' 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