Tunisian crochet heaven! This compact set offers convenience, great value, and an extensive range of crochet possibilities. Hooks can be used for standard crochet or Tunisian crochet, plus lots of knitting applications. Connects with the unique and secure Denise locking connection. Completely interchangeable with Denise knitting needles, making it possible to add knitting to your crochet or crochet to your knitting. Easy to organize. This set includes: 12 crochet hooks (F5 / 3.75mm, G6 / 4mm, 7 / 4.5mm, H8 / 5mm, I-9 / 5.5mm, J10 / 6mm, K10.5 / 6.5mm, L11 / 8mm, M13 / 9mm, N15 / 10mm, 17/12mm, and 19 / 15mm); 7 cords (2 each of 3 inch / 7.5 centimeter and 5 / 12.5, 1 each of 9 inch / 23 centimeter, 12 / 30, 16 / 41) for Tunisian hooks from 8 to 19 inches (20 to 48 centimeter) or up to 42 inches (106 centimeters) with cords joined together; 4 end caps and 2 extenders for cord-to-cord connections; hard-shelled case that holds everything perfectly in place. Case dimensions (closed): 7 x 8.5 x 1 inches (18 x 21 x 2.5 centimeters). Plastic resin hooks are 4.6 inches long. To use as a standard crochet hook, attach a 3 inch cord to extend the hook length. Made in the USA and warrantied.