Suntekstore Online 8 Sizes Bamboo Handle Steel Crochet Hooks 1.0-2.75MM 8 sizes of steel crochet hooks: 1.0 mm / 1.25mm / 1.5mm / 1.75mm / 2.0mm / 2.25mm / 2.5mm / 2.75mm Metric size is permanently marked on crochet hook Crochet hooks are made of carbonized bamboo and metal to keep longevity With ergonomic handle for maximum project comfort Metal crochet hook is approx. 1.4 inch / 3.6 cm long