Feature:1. The air angle grinder is designed with portable handle, small in size and light in weight, easy to operate and carry.2. Using high accuracy bearing, hardened gear and excellent movement, which has strong power and high efficiency.3. The free speed is 11000rpm, running smoothly with low vibration, has good stability and practicability.4. Made of alloy steel, hard and wear resistant, and not easy to wear or deform after long term use.5. With a standard 1/4in air inlet connector, the connection is tight and no leakage, suitable for various grinding and polishing operations.Specification:Item Type: 4in Air Angle GrinderMaterial: Alloy steelModel: KP-632Working Pressure: 0.6-0.8MPAIntake Connector: 1/4inFree Speed: 11000rpmGrinding Wheel Diameter: Approx. 100mm / 4in Package List:2 x Wrench1 x Grinding Wheel1 x Handle1 x Pneumatic Angle Grinder1 x ConnectorNote:Before use, confirm whether the chuck is fixed properly to ensure that the air nozzle does not leak.