Features: Head corner design, the internal gear is 2 conversion gear, high precision, long life, continuous use is not easy to damage. Made of premium quality alloy material, durable. Can be used with 1" / 2" / 3" size backing plate, with sponge disc, wool disc, etc. can be used for different working environments. Metal trigger type switch design, in line with the use of requirements, long-term use is not easy to fatigue. Easy to use, easy to adjust the speed, the tail exhaust is not easy to raise dust. Suitable for home wood, hardware industry, digital products, automotive industry, etc. Specifications: Color: multicolor Material: Alloy Exhaust method: Tail exhaust Air consumption: 5.0scfm Threaded interface: 1/4 inch Working pressure: 6-8kg Available sticky disc: 1 inch (25mm) 2 inch (50mm) 3 inch (75mm) Package size: 24 * 18 * 6cm Package weight: 900g Package List: 1 * Sanding Machine 1 * 3" Backing Plate 1 * Wrench 1 * Air Hose Connector 2 * 3" Wave Sponge Pad 1 * 3" Wool Pad 5 * 3" Sandpaper