Free speed, light weight, durability, easy to hold and use, high strength, flexibility, safe use and long-term use. High-speed pencil grinder, suitable for high-speed precision machining. Exquisite internal design makes it easy to use. Convenient hose with hose protection device, very flexible hose and wear-resistant protective cover. Suitable for grinding, polishing and cleaning jewelry, , rotors, back plates, brake pads, cylinder heads, mounting seats, etc. High speed, small size, low noise, the speed can reach 65000 RPM, dozens of connectors can be replaced, and it is convenient to use. Name: pneumatic grinder set Material: metal+plastic Colour:As Shown Package Contents: 1 x Pneumatic grinder set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.