1. The needles are made of aluminum and stainless steel, very smooth and suitable for thick or thin lines. 2. The handle is made of soft plastic material, it is very safe and gentle on your hands. 3. Complete specification, 16 different needle sizes to satisfy all your needs. 4. This soft and ergonomic crochet hook allows you to crochet for hours without fatigue, without feeling pain or cramps in your hands or thumbs. 5. Multi-color handles, very beautiful and suitable for your mother and girlfriend who like knitting. Specification: Features: The needles are made of aluminum and stainless steel, very smooth and suitable for thick or thin lines. The handle is made of soft plastic material, it is very safe and gentle on your hands. Full specification, 16 different needle sizes to satisfy all your needs. This flexible and ergonomic crochet hook allows you to crochet for hours without fatigue, pain or cramps in your hands or thumbs. This kit gives you a PU bag, it can effectively protect your hooks. Multi-colored handles, very beautiful and suitable for your mom and girlfriend who like knitting. Specification: Material: Aluminum, Stainless Steel Weight: Approx. 214g/7.5oz Color: Multicolor Quantity: 16pcs Package: PU bag Aluminum hooks: 1.0mm, 1.25mm, 1.5mm, 1 .75mm, 2.0mm, 2.25mm, 2.5mm, 2.75mm Stainless steel hooks: 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4, 5mm, 5.0mm, 5.5mm, 6.0mm Package List: 16 * Hooks 1 * PU Bag Note: Please allow slight error due to manual measurement. Thank you for your understanding. Please note that the color of this product will be sent randomly, please make sure you do not mind before ordering.