Features: The needles are smooth, suitable for heavy or thin line. The handle is made of soft plastic material, it is very safe and gentle to your hands. Complete specification, 8 different sizes of needles to satisfy all your needs. This ergonomic soft crochet hook makes you crochet for hours without fatigue, feeling pain or cramping on hands or thumbs. Entirely new materials with high density, it can be used for a long time. Every hook is printed with both letters and numbers, so you will never be confused which hook works best for which loop. Specification: Material: Plastic + Aluminum Quantity: 8 PCS Weight: Approx.61g~70g/2.2oz~2.5oz Total Length: Approx.13.5cm/ 5.3in Hook Size: Small/Large (Optional ) Small Size: 1mm/1.25mm/1.5mm/1.75mm/2mm/2.25mm/2.5mm/2.75mm Large Size: 2.5mm/3mm/3.5mm/4mm/4.5mm/5mm/5.5mm/6mm Package List: 8 * Hooks Note: Please allow 1-2 mm error due to manual measurement. There are many sizes of crochet hook, this one is ordinary and suitable for most knitting yarn.Please choose the hooks according to your yarn size.