Chiaogoo Bamboo Tunisian Crochet interchangeable set are made of Moso bamboo, have a pointy head to get into your stitches and a stainless steel join.  

Each Hook measures 5.7" (14.5cm) and the complete set contains 11 crochet hooks in sizes 3.5, 3.75, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 8.0, 9.0 and 10.0mm (US E through US N). The size is permanently laser marked on each hook.  Size I (5.5 mm) and larger hooks will fit the [S] cables with the use of an adapter (included) and are compatible with SPIN cables. 

The Chiaogoo Bamboo Tunisian Crochet interchangeable set also includes four TWIST [S] red cables (two 8"/20 cm, one 14"/35 cm and one 22"/55 cm); four end stoppers, four adapters, two connectors, tightening keys and a needle gauge and a compact, zippered, book-style case with individually labelled pockets and an outside zippered pocket.