Features 1、0.3HP MOTOR: Adopt 0.3HP motor, free speed can reach 20000RPM, tungsten steel moving parts, can resist high temperature up to 2000℃, the efficiency is increased by more than 75%. 2、PORTABLE DESIGN: The air die grinder is ergonomically designed for easy grip, and the 90 degree handpiece brings greater accuracy and possibility to those tight spots and hard to reach jobs. 3、EXCELLENT PARTS: Safety switch on the air angle grinder prevents accidental engagement, an intake filter keeps the grinder clean, and built in regulator makes it easy to control the speed. 4、EASY OPERATION: This pneumatic angle grinder needs to be connected to an air compressor for use, with adjustable speed and replaceable grinding heads, which is easy to operate. 5、MULTIPLE USAGES: Can be used for processing, polishing, chamfering, deburring, grinding, engraving, etc. of metal, wood products, tires, etc., with a wide range of applications. Specification Item Type: Air Die Grinder Set Material: Zinc Alloy, Tungsten Steel Collet Size: 1/4in, 1/8in Package List 1 x Air Die Grinder 10 x Grinding Heads 2 x Wrench 1 x User Manual 1 x Intake Port 1 x Collet