Features: 1.This high quality pneumatic sander is equipped with an additional 2, 3 polishing disc and is a professional sanding, polishing and waxing pneumatic tool. 2.Low vibration speed and low energy consumption. 3.It is suitable for car body and furniture, etc. It is suitable for grinding of iron, metal, rubber, stone, marble and other materials. 4.Polishing of the furniture industry, mold industry, product parts, etc. Suitable for grinding wood, plastic and other materials. Suitable for on-site polishing of key areas. 5.Small size, light weight and high stability. 6.High speed, no swirling, super smooth, easy to operate with one hand. With the adjustable valve of the air inlet, you can change the airflow to control the speed of polishing and waxing. After exhausting, the sander can be quickly cooled and made long time work. 7.In addition, the rubber cover handle allows you to hold comfortably. Comfortable handles greatly reduce fatigue during use. 8.The eccentric double-rotation polishing method makes the polishing effect more uniform and smooth. Before using the pneumatic grinding machine, please add 2-3 drops of special oil for pneumatic tools from the air quick connector, and then let the random track eccentric sander run after filling. For a few seconds to make sure it works. The oil can is not included 9.The stochastic track eccentric sander is designed to operate as a hand-held tool and is powered by compressed air from an air compressor. It requires an air compressor that provides clean, lubricated air. When the tool is running, the air hose is connected to the track eccentric On the sander. Specifications Model: AT-1500 Working Pressure: 90psi/6.2Bar Disc Size: 2/3in No-load Speed: 15000rpm Air Consumption: 4cfm Air inlet: 1/4-inch air inlet NPT thread Weight: about 1000g Dimensions 160*90*50mm Exhaust direction Uses: car, furniture, marble polishing Package List: 1 x pneumatic sander 1 x 2 inch disc 1 x 3 inch disc 1 x positioning lock 1 x 1/4-inch air inlet NPT thread