These crochet hooks are made of decolorant bamboo to keep longevity. Each crochet hook is approx. 31.5 in/80cmlong (tube included).Features:With smooth finish that will not hook your yarn.18pcs of crochet hooks， sizes from 2.0mm to 10mm.With adjoined plastic cable for maximum project flexibility.Metric size is permanently marked on crochet hooks.Crochet hooks are made of high quality decolorant bamboo to keep longevity.With decolorant bamboo， more beautiful.Each crochet hook is approx. 31.5 in/80cm long (tube included).Specifications:Hook Material: Plastic + BambooQuantity: 18 pcsLength: Approx. 80cm / 31.5" (Tube is included)Hook Size: 2.0mm/2.25mm/2.5mm/2.75mm/3.0mm/3.25mm/3.5mm/3.75mm/4.0mm/4.5mm/5.0mm/5.5mm/6.0mm/6.5mm/7.0mm/8.0mm/9.0mm/10.0mmPackage Size: 39 * 12.3 * 3.5cm / 15.4 * 4.8 * 1.4in (L * W * H)Package Weight: 130g / 4.58ozPackage List:18 * Crochet Hooks