Features 0.3HP MOTOR: Adopt 0.3HP motor, free speed can 20000RPM, tungsten steel moving parts, can resist high temperature up to 2000℃, the efficiency is increased by more than 75%. PORTABLE DESIGN: The 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 jobs. EXCELLENT PARTS: Safety switch on the angle grinder prevents accidental engagement, an intake filter keeps the grinder clean, and built in regulator makes it easy to control the speed. EASY OPERATION: This pneumatic angle grinder needs to be connected to an for use, with adjustable speed and replaceable grinding heads, which is easy to operate. 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. Feature: 1. 0.3HP MOTOR: Adopt 0.3HP motor, free speed can 20000RPM, tungsten steel moving parts, can resist high temperature up to 2000℃, the efficiency is increased by more than 75%. 2. PORTABLE DESIGN: The 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 jobs. 3. EXCELLENT PARTS: Safety switch on the 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 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: 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 Note: Be sure to add 2‑3 drops of lubricating oil to the inlet of the body and idle for half a minute before use every day. 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