Features 1、Entitled with stable performance, pneumatic polisher keeps long service life, made of high-quality imported accessories that in accuracy assembly. 2、Due to small-diameter grinding disc equipped to such air sander, such polishing machine can grind narrow space without leaving dead corner. 3、Easily operated, light weight pneumatic polisher keeps elbow design that it can improve work efficiency greatly. 4、Improved for more durability, polishing machine is built to strict quality control standards. 5、To use it with confidence, such sanding tools' quality is guaranteed after many inspections before leaving the factory. Specification Item Type: Polishing machine Model: YC-2611 Disc Diameter: Approx. 5.08cm / 2inch Approx. 7.62cm / 3 inch Working Pressure: 0.6-0.7Mрa Recommended Inner Diameter of Air Pipe: Approx. 5mm / 0.2in, approx.6.5mm / 0.26in No-Load Speed: 1500 (rpm) Inlet Size: Approx. 0.64cm / (1/4 inch) Average Gas Consumption: 6cfm Package List 1 x Polishing Machine 1 x Replace Sanding Pad 1 Set x Mounting Part(Including 1 x Wrench) 1 x User Manual