Material: high-quality aluminum and TPR, light and easy to hold, anti-resistance to ensure longevity Each crochet hook is 13.7cm long; Size: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm Transparent organizer - keep everything tidy Crocheting is recommended as a healthy choice for people who like to learn to relax and calm down. Technical data: Set of 9 crochet hooks made of high-quality aluminum Material: high quality aluminum and TPR The crochet hooks are light and sit comfortably in the hand. Needles are anti-resistance to maintain longevity. The size is firmly marked on the crochet hook with rubber grip (2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm). Each crochet hook is 13.7 cm long. The perfect crochet starter kit whether you are a beginner or an experienced crocheter. Scope of delivery: 9 x crochet hooks