Denise2Go for Crochet ideal for Tunisian and traditional crochet or knooking. This set features the unique and secure Denise locking connection. Twist Â¼-turn to lock or unlock. The hook sizes are chosen for working Tunisian crochet projects in yarns from lace weight up to chunky weight. The stylish case, hand-sewn from designer cottons, contains: 6 crochet hooks, H8/5mm to M13/9mm 4 cords: 3", 5", 9" and 14" (7.5 to 35cm) for Tunisian hooks from 8 to 19 (20 to 48cm) or up to 28 (71cm) with cords joined together -- in colors that coordinate with the case 2 end buttons and 1 extender Fully interchangeable with all other Denise knitting and crochet tools, and both hand sewn and entirely made in the US. Palm-sized and perfect for travel. Closed case dimensions: 2 x 4 Â¾ x Â¾. Resin hooks are 4.5 long. Made in the USA and guaranteed with normal stitching use.