Standard crochet hooks are 6 inches long and come in all sizes ranging from D to N. This set includes 12 hooks and a silk crochet hook case (assorted colors). Beautiful, smooth in hand, perfect stitches. You won't be disappointed! All hooks are hand-made and carved from a selected material to best reflect the beauty of the bamboo grain and its natural color. The hooks are then smoothly sanded and varnished with a light coat of high-gloss sealant to ensure durability. Superior characteristics of Squirrel's handmade needlecraft products : 1. Hard 2. Straight 3. Well finished 4. Exactly sized Squirrel's finely crafted products are environmentally friendly, safe, recyclable, and compostable.