DescriptionThis item is a pack of 6Pcs brass collets, which including 5 different sizes. brass collets to fit rotary tools, pin vises. It is compatible with most rotary tools used in hardware, hobby, home etc.Features- Color: Golden. - Material: Brass. - Clamping Diameter: 1mm/1.5mm/2mm/2.5mm/3mm. - This item is a pack of 6Pcs brass collets, which including 5 different sizes. - brass collets to fit rotary tools, pin vises. - Compatible with most rotary tools used in hardware, hobby, home etc. - Powerful and practical tools.