Multi Quick Change Chucks 3-Jaw Mini Keyless Chuck Replacement Accessory Quick Change Mini Drill Chucks, easy and quick to change accessory replacement on the rotary tool without changing collets. Material: The accessory is made of high-quality metal material, the three claws and spring are all heat-treated at high temperature, very durable, and good concentricity Practical tools: It allows you quickly and easily change accessory on rotary tool without changing collets, save time and highly improve your work efficiency. Colour: Black Size: clamping range 0.3-3.2mm Quantity: 10pcs Kind tips: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.