The new addiClick HOOK BAMBOO is a natural, new addition to the patented addiClick interchangeable system. These crochet hooks, like the addi bamboo tips, are also made from sustainable, regrowing bamboo. The high quality case contains hook sizes 3.5mm, 4mm, 4.5m, 5mm, 5.5mm, 6mm, 7mm, 8mm (US 4 - 11). AddiClick cords and heartstoppers are compatible and must be ordered separately. The crochet hooks are very smooth and have a fine transition to the case - “Made in Germany“, of course.