The sanding machine, has adjustable speed, high power motor, high efficiency, very suitable for DIY project, to polish wood, acrylic, metal and more. Features: High quality material: sanding machine, made of aluminium alloy base and stainless steel body, Features not easily rusty, wear-resistant, solid, durable. Powerful motor: pure copper motor, with sturdy protective dust cover, runs in low noise, dissipates heat fast, delivers high speed up to 9000rpm. Excellent performance: motor direct-drive design, which means the sanding belt is directly driven by the motor shaft, increases efficiency, better than others. 7 level speed adjustable: the rotating speed can be easily adjusted via power adapter, meeting different demands, very convenient. More accessories: in addition belt sander and power adapter, it comes with five wrench and ten different sanding belts, enough for various use. Specifications: Material: Stainless steel Main Color: Silver Working Current: 4-20A Input Voltage: 110-240V Motor Speed: 9000rpm Input Speed: 4500-9000rpm Speed: 7 adjustable by 12-24V power adapter Belt Types: 120 grit, 240 grit, 400 grit, 800 grit, 1000 grit (each has 2pcs, total is 10pcs) Belt Size: 30*300mm Item Size: 140*140*100mm / 5.51*5.51*3.93in Package Weight: 1500g / 52.91oz Package Size: 260*150*180mm / 10.23*5.90*7.08in Note: Belt sander set only, other accessories in the pictures are not included. Due to lighting or other reasons, the picture and material object may slightly differ. Due to manual measurement, there may be deviation, please in kind prevail. Packing List: 1 * Belt Sander 1 * Power Adapter 10 * Sanding Belt 5 * Wrench