Item Type: Crochet Hooks Material: Plastic, Aluminum Specifications: One Set Use: Household Application: Most People of The Right Age Aluminum Crochet Size: Approx. 2.5mm/0.09in, 3.0mm/0.11in, 3.5mm/0.13in, 4.0mm/0.15in, 4.5mm/0.17in, 5.0mm/0.19in, 5.5mm/0.21in, 6.0mm/0.23in Package List 8 x Crochet Hooks 18 DIFFERENT SIZES: 8 different sizes are designed to meet your different needs. The handle of each crochet hook is marked with letters and numbers for easy identification 2COMFORTABLE HANDLE: The middle of the handle is bent to suit your finger grip. The durable and glossy handle can avoid hand fatigue. 3EASY to CARRY: Can be easily put into your backpack and suitcase. Very suitable for travel to carry or take wherever you want to go 4DURABLE ALUMINUM:Made of aluminum material, which is very firm and durable, and the needle is round and will not hook the thread 5THE PERFECT GIFT: Whether you are a beginner or an experienced crochet lover, these crochet hooks can help you complete knitting projects easily