Product Information Brand Lykke Country of Origin India Material Birch Named after the Norwegian word for happiness, LYKKE Crafts combine high quality materials and thoughtful design to produce beautiful, durable, happy-making crochet hooks.The hooks are made of smooth, hard birch with a beautiful grey "driftwood" finish that varies with the wood grain.Driftwood Tunisian Interchangeable Crochet Hooks Set in Grey Denim Pouch, 6" / 15 cmSet of 12 hooks:US E-4 (3.50 mm), US F-5 (3.75 mm), US G-6 (4.0 mm), US 7 (4.5 mm), US H-8 (5.0 mm), US I-9 (5.5 mm), US J-10 (6.0 mm), US K-10.5 (6.5 mm), US L-11 (8.0 mm), US M-13 (9.0 mm), US N-15 (10.0 mm), US P-16 (11.5 mm) in Grey Denim PouchCords: 1 cord 21.5" length (54.5 cm)2 cords 29.5" length (75 cm)1 cord 37.5" length (95 cm)Accessories:2 connectors4 keys8 stoppers4 caps in 4 sizes (for using as straight hooks)* Length of hook is measured from the tip to the end of metal once attached.