Features 1、Rotational Speed and Interface: The pneumatic sander has a rotational speed of 10000RPM, an air inlet interface of 1/4in, and an air inlet pressure of 90PSI or 0.63MPa. 2、Press Switch: Our pneumatic sanding machine adopts press switch, which is convenient and comfortable to press, improve the working efficiency, no fatigue for long term use, and suitable for irregular sanding. 3、High Accuracy Chuck: The long vibration type pneumatic sanding machine adopts high accuracy chuck, smooth running, powerful head, high output power and low air consumption. 4、Internal Filter: Triangle pneumatic polisher has an internal filter in the air inlet port to prevent debris from entering so as not to damage the body. 5、Multiple Uses: Triangle pneumatic sander is suitable for producing fine finishes on wood, metal, fiberglass and other composite materials. Specification Item Type: Pneumatic Sanding Machine Material: Alloy Steel Rotational Speed: 10000RPM Air Inlet Connection: 1/4in Air Inlet Pressure: 90PSI (0.63MPa) Package List 1 x Pneumatic Sander 1 x Hex Wrench