Now with an improved design, these innovative new crochet hooks take interchangeable to the next level. The set includes two soft-touch handles and six interchangeable crochet hooks. Changing the hook size is easy. Simply choose the hook size you need for your crochet project, insert into the end of the handle, and twist to lock it into place. The unused hooks and handles can be stored in the zippered hook case, which fits easily in your project bag for stitching on the go. Also includes two yarn cutters to snip your yarn when switching colors or fastening off. This interchangeable hook set includes a zippered carrying case with two soft-grip handles, two cutters, and six crochet hooks. Includes hook sizes F-5 (3.75mm), G-6 (4mm), H-8 (5mm), I-9 (5.5mm), J-10 (6mm), and K-10½ (6.5mm). Zippered case measures 3½ x 6½" (8.9 x 16.5cm) when closed.