Features: 1.This crochet hook is equipped with double head of different sizes, very convenient to use. 2.The handle of crochet hooks are made of rubber and followed ergonomic design, it makes you crochet for hours without fatigue, feeling pain or cramping on hands or thumbs. 3.The needle is made of aluminum, which has been polished for a smooth finish and have no rough edges to avoid hurting your hand,allowing the yarn to glide effortlessly over it. 4.Every hook is printed with both letters and numbers, so you will never be confused which hook works best for which loop. 5.A great gift for your mom, wife, or girlfriend who like knitting. specification: This crochet hook is equipped with double head of different sizes, very convenient to use. The handle of crochet hooks are made of rubber and followed ergonomic design, it makes you crochet for hours without fatigue, feeling pain or cramping on hands or thumbs. The needle is made of aluminum, which has been polished for a smooth finish and have no rough edges to avoid hurting your hand,allowing the yarn to glide effortlessly over it. Every hook is printed with both letters and numbers, so you will never be confused which hook works best for which loop. A great gift for your mom, wife, or girlfriend who like knitting. : Material: TPR + Aluminum Quantity: 5 PCS Weight: Approx.42g/1.5oz Total Length: Approx.13.5cm/ 5.3in Color: Random s: 2/0-3/0 4/0-6/0 5/0-7/0 7.5/0-9/0 8/0-10/0 Hook Head: 2/2.5 2.5/3.5 3/4 4.5/5.5 5/6 Package List: 5 * Crochet Hooks Note: Please allow 1-2 mm error due to manual measurement. Because of the difference of light and screen, the color might be a little bit different from the picture.