9 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 hook - allows the stitches to slide perfectly and without snags. Ergonomic rubber handle - non-slip handle that allows a good grip and prevents tension, fatigue. Bright and different colors - makes it easier to spot your hooks. hooks: One year warranty against defects in material or workmanship. Specifications: Material: aluminum 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 hook: about 13.7cm long Advantages: The handle is made of elastomer, ergonomically shaped and non-slip which allows a good grip and avoids tension and fatigue. The surface of the aluminum 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 hooks. Package Included: 1*pack of 9pcs crochet hook needles Package Included: 9 pieces Product color: colorful (random color) Product size: 14cm long Note: Manual measurement, please allow 1-3cm error