different sizes - from 2mm to 6mm (2.0mm/2.5mm/3.0mm/3.5mm/4.0mm/4.5mm/5.0mm/5.5mm/6.0mm). Smooth aluminum crochet hook - allows stitches to slide perfectly and without snagging. Ergonomic rubber handle - non-slip handle that allows a good grip and prevents tension and fatigue. Bright and different colors - allows you to identify your crochet hooks more easily. crochet hooks: A one-year warranty in case of defects in material or workmanship. Specifications: Material: Aluminum crochet hook and rubber handle 9 different sizes: 2.0mm/2.5mm/3.0mm/3.5mm/4.0mm/4.5mm/5.0mm/5.5mm/6.0mm Length of each crochet hook: about 13.7cm long Advantages: The handle is made of elastomer, ergonomically shaped and non-slip, which allows a good grip and prevents tension and fatigue. The surface of the aluminum crochet hook is smooth and allows the stitches to slide perfectly and without snagging. The bright and different colors for each size make it easier for you to spot your crochet hooks. Package Included: 1 * Pack of 9pcs Crochet Hooks Quantity: 9pcs Product Color: Colorful (Random Color) Product Size: 14cm long Note: Manual measurement, please allow 1-3cm error!