Feature:1. Extended Die Grinder: The extended die grinder is easy to use, with high concentric speed, smoothly operation, no yaw grinding.2. 2 Collets: Equipped with 3mm and 6mm collets, which have high precise, not easy to wear, you can choose to use according to different situation.3. Speed Adjustment: You can freely control the speed by adjusting the intake air volume, cope with different working conditions.4. Multi Function: This grinder can be used for metal grinding, polishing, rust removal, tire repair, wood and craft processing, welding spot removal, grinding, etc.5. Multi Purpose: The extended die grinder is suitable for mold factory, tire factory, shoe factory, metal processing industry, etc.Specification:Item Type: Air Die GrinderMaterial: Aluminum AlloyCollet Size: Approx.3mm/0.1in, 6mm/0.2inRated Pressure: 90PSINo Load Speed: 20000rpmUsage: For grinding, polishing, machining, repairing, rust removal.Package List:1 xAir Die Grinder (With One Collet)2 x Wrench1 x Collet1 x ConnectorNote:Drop 2‑3 drops of pneumatic lubricating oil into the air inlet before and after each use, then idle for a few seconds to complete the maintenance.