Crochet Hooks > By Brand > ChiaoGoo > ChiaoGoo Circular Crochet Hook 24'' Our 24″ (60 cm) double-ended, patina Tunisian circulars are made just like our fixed bamboo circulars. They have fantastic joins and pliable, clear, nylon cables with a nickel-plated, copper join that is crimped to guarantee no separation. Hooks swivel freely on cable. Hook size is permanently laser imprinted on each circular.