Thread Crochet Hooks: The lace crochet hooks set include 10 sizes:0.5mm,0.75mm,1.0mm,1.25mm,1.5mm,1.75mm,2.0mm,2.25mm,2.5mm,2.75mm.It's for small crochet thread project and thread through beads. Ergonomic Rubber Grip & - These hooks are update design, the soft rubber grip handle is so much more comfortable to hold than the hooks. It is for people with arthritis. NON-SLIP, -Color The Metric Number sizes engraved on the soft rubber handle, colorful ergonomic grip is and no slip.. Easily Identify Crochet Hook Size: Multi-color crochet hooks needles, different colors match different crochet needles sizes. Every hook is marked with numbers, so you'll never be confused. size:0.5mm-2.75mm Material:Aluminum + rubber colour:Photo Color Package Contents: 10 * Lace Crochet Hooks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.