Features 1、[ALLOY STEEL] Made of alloy steel, with excellent assembly accessories, has stable performance and good durability. 2、[ELBOW DESIGN] The pneumatic polisher is elbow straight shank design, easy to operate and greatly improves work efficiency. 3、[FINE MACHINING] High hardness refined steel movement, with CNC fine machining, smooth and stable in rotation. 4、[FOR SMALL SPACE] The chassis diameter is 2in, which can be polished and ground in a small space without leaving dead corners. 5、[WORKING PARAMETER] The working air pressure is 0.6‑0.8MPA, and the free speed is up to 12000rpm, suitable for more polishing projects. Specification Item Type: Air Sander Kit Material: Alloy Steel Model: YC-2615 Chassis Diameter: 2in Free Speed: 12000rpm Working Pressure: 0.6-0.8MPA Package List 1 x Wrench 1 x Pneumatic Grinder 1 x User Manual 1 x Chassis 1 x Air Nozzle