Simple belt tension lever. Non- handle grip. Variable speed control. Increased pulley space for thicker belts. Alloy body, simple and design. 10mm wide belt suitable for grinding in a narrow area. With the of the job can be adjusted 260 degrees arm angle. Quickly change the grinding belt. After the exhaust, low noise. With a small wrench, easy to disassemble. Suitable for mechanical manufacturing, hardware tools, die-casting parts, household hardware instruments, instruments, manufacturing and other industries uses polishing. Spot welding can be used for grinding, hair removal to the edge, polishing, grinding, concave treatment. Specifications: (Small) Free speed: 16000RPM Belt size: 10 x 330mm / 0.4 X 13.0in Air inlet: 1/4inch Air hose: 3/8inch Air consumption: 6cfm Working pressure: 90psi Application: Pneumatic belt sander is widely used in all kinds of manufactured goods surfacing grinding that make metal,nonferrous metal and non metal.Particularly suitable for mechanical manufacturing, hardware tools, die-casting parts, daily hardware instruments, instruments and other industries to polish . Colour:silver Material:Metal Package Contents: 1 x Air Belt Sander Machine With Sanding Belt 1 x Pneumatic Interface Accessories 1 x Inner Hex Wrench 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.