1、Straight Air Die Grinder: This air die grinder is straight type, equipped with 6mm high precise collet, with high concentric speed of 3000RPM, smoothly operation, no yaw grinding. 2、Speed Adjustment: You can freely control the speed by adjusting the intake air volume, cope with different working conditions. 3、Ergonomic and Light: This air die grinder is ergonomically, compact and light, comfortable to use, easier to operate and more accessible to narrow places. 4、Multi Purpose: This pneumatic die grinder can be used for grinding, polishing, processing, repairing and derusting and more. 5、Wide Applications: The die grinder is widely used in home decoration, mechanical assembly, automobile manufacturing, aircraft manufacturing, etc.