Features 1、[High Accuracy Collet] The air die grinder has a 3mm and a 6mm high accuracy chuck, which is not easy to wear, and the chuck can be replaced. 2、[Adjustable Grinder] The speed and air intake of the air die grinder can be adjusted to cope with different working conditions. 3、[Fast Rotation Speed] The rotation speed of the air die grinder is very fast, which can up to 25000rpm, so the grinding speed is fast, and the operation is stable and not swaying. 4、[Stainless Steel Material] The air die grinder is made of stainless steel, which is resistant to wear, rust, high hardness and long service life. 5、[Wide Application] Air die grinder is widely used in grinding and polishing, suitable for mold factory, tire factory, shoe factory, metal processing industry. Specification Item Type: Air Die Grinder Material: Stainless steel Collet Size: Approx. 3mm / 0.12in, Approx. 6mm / 0.24in Rated Pressure: 90PSI No Load Speed: 25000rpm Uses: Grinding, polishing, machining, repairing, rust removal Package List 1 x Air Die Grinder 2 x Wrench 1 x Collet 1 x Joint