Item Type: Polishing machine Model: YC-2611 Disc Diameter: Approx. 5.08cm / 2inch Approx. 7.62cm / 3 inch Working Pressure: 0.6-0.7Ma 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 1Entitled with stable performance, pneumatic polisher keeps long service life, made of high-quality imported accessories that in accuracy assembly. 2Due to small-diameter grinding disc equipped to such air sander, such polishing machine can grind narrow space without leaving dead corner. 3Easily operated, light weight pneumatic polisher keeps elbow design that it can improve work efficiency greatly. 4Improved for more durability, polishing machine is built to strict quality control standards. 5To use it with confidence, such sanding tools' quality is guaranteed after many inspections before leaving the factory.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.1 x Polishing Machine1 x Replace Sanding Pad1 Set x Mounting Part(Including 1 x Wrench)1 x User Manual