1,There are different size printed on the handle is not easy to rub off, you can easily distinguish it and choose the one you need 2,Support for carpet calfskin engineering and multi‑strand yarns, coarse carpet yarns, T‑shirt yarns and other bulky yarns 3,The ergonomic crochet hook, made of plastic, feels smooth, comfortable and labor-saving 4,Suitable for making various hand‑knitting projects, which can effectively improve work efficiency and is practical 5,Very suitable for arthritic hands, you can crochet for a long time without feeling pain or cramping in your hands Item Type: Crochet Hooks Material: Plastic Specifications: One Set Use: Household, Knitting, Etc. Application: Most People of The Right Age Crochet Head Model: Approx. 9mm or 0.35in, 12mm or 0.47in, 14mm or 0.55in, 16mm or 0.62in, 20mm or 0.78in Crochet Handle Width Model: Approx. 12mm or 0.47in, 15mm or 0.59in, 18mm or 0.70in, 20mm or 0.78in, 25mm or 0.98in Size: Length Approx. 17cm or 6.6in 5 x Crochet Hooks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.