1MORE FLEXIBLE TO USE: Air sander has light weight, high base, low vibration, one handed operation for easy grip, very convenient 2NOT EASY TO FATIGUE: The comfortable platform provides additional hand and wrist support, this design makes it perfect for reaching smaller areas and tighter contour, reducing user's fatigue 3FAST SPEED: Good quality with fast grinding speed, effectively shorten working time, no fatigue after long term use 4POLISHING VARIOUS SURFACES: Mainly used for grinding and polishing of product surface, used for automobile sheet metal polishing, woodworking furniture polishing, metal polishing, etc. 5LOW POWER BUT HIGH SPEED: High speed up to 10000rpm, power is 240W, air consumption for 480L/MIN, possess high efficiency and energy saving Item Type: Air Sander Material: Rubber + high carbon steel + stainless steel + ABS Uses: Used for automotive sheet metal polishing, woodworking furniture polishing, metal polishing, etc. Model: BC-812 Chassis Size: Approx. 75 x 100mm / 2.95 x 3.94in (1-3mm error due to manual measurement) Eccentricity: 5mm Speed: 10000rpm Power: 240W Air Consumption: 480 L/MIN Working Pressure: 6 kg/ Noise Level: 79 dBa Interface Size: 1/4in 1 x Air Sander 1 x User Manual 1. Please wear protective goggles when using pneumatic tools to avoid eye damage caused by powder produced by using pneumatic tools.2. It is forbidden to disassemble the internal parts of the air tool without special tools.