The Ingersoll Rand MAX5102 Die Grinder is a valuable power tool for any automotive repair project, that is also conveniently lightweight. Its powerful 0.4 hp air motor delivers 20,000 rpm for faster material removal. Lube-free design eliminates oil messes, spills, and dangers from the work environment and shop area. The enhanced grip provides optimum comfort for extended usage. It has a low-profile throttle lever that reduces hand fatigue and the built in lubricating wick increases angle gear life. Product Specifications – Power: 0.4 HP, Free Speed 20,000 rpm, Output: 1/4 in, Weight: 1.41 lbs, Average Air Consumption: 6 CFM, Air Consumption @ Load: 25 CFM, Sound Pressure/Power DBA: 84.1/95.1, Air Inlet NPTF: 1/4 in, Min Hose Size: 3/8 in.