T-SPIN ChiaoGoo’s NEW bamboo Tunisian interchangeable set. This T-SPIN set will come with the following. 11 5.7″ (14.5cm) hooks in sizes E/4 (3.5mm), N/15 (10mm), including size 7 (4.5mm), four TWIST [S] red cables (two 8″/20cm, one 14″/35cm and one 22″/55cm), four end stoppers, four adapters, two connectors, tightening keys and a needle gauge. Zippered case very similar in design to our current interchangeable cases with 11 labeled, inside pockets and one outside zippered pocket. Hooks are made of Moso bamboo with a stainless steel join. Pointy head to get into your stitches. Size permanently laser marked on each hook. No drag, smooth transitions and secure connections. Size I (5.5 mm) and larger hooks will fit the [S] cables with the use of an adapter (included). Compatible with SPIN cables.