This interchangeable crochet hook kit contains:
12 individual hooks, sizes F5 (3.75 mm) to 19 (15mm),7 cord lengths (2 each of 3" and 5", plus 1 each of 9", 12" and 16") plus four end buttons and two extenders. The kit also includes detailed Tunisian Crochet instructions from Interweave Press. Afghan/Tunisian hooks from 8-37" can be made using different combinations of cords in the kit. This kit also works with the Denise Interchangeable Knitting Needles, so you can add crochet to your knitting or knitting to your crochet!