The Denise Interchangeable Crochet Hooks kit provide you with a complete set of 12 different hook sizes, 7 cord lengths, end buttons, extenders and detailed Tunisian Crochet instructions from Interweave Press. Afghan/Tunisian hooks from 8" - 37" can be made using different combinations of cords in this kit. With the unique connection on these needles, you ll easily insert the correct size cord, twist 1/4 turn to lock in - then you re ready to crochet. Kit Specifics: 12 hook sizes - F5 (3.75mm) to 19 (15mm) 7 cords - 2 each 3" and 5", plus 1 each 9", 12" and 16" 4 End buttons Two extenders Detailed Tunisian Crochet Instructions from Interweave Press Stitch holders included Compact 7" x 8.5" case Airline safe Parts and extra long cords can be ordered separately Parts guaranteed by Denise Interchangeable With this kit of Denise Interchangeable Crochet Hooks, you ll always have the sizes that you need, neatly organized and ready to go! You will love the versatility of this compact set. Get yours today!