Ingersoll Rand 3101G Air Die Grinder Edge Series – 1/4", Heavy Duty, Right Angle, Ergonomic Grip, Ball Bearing Construction, Lightweight Tool, BlackFrom the manufacturer 3101G Ingersoll Rand Edge Series 3101G Angle Die Grinder Features: Long life ball bearing construction Self locking lever throttle Rear exhaust Ergonomic grip Ingersoll Rand 3101G Edge Series 1 4 Inch Angle Die Grinder Gives power where it needs to fit Cut, grind, and polish tough jobs with Ingersoll Rand's 3101G heavy duty air angle die grinder. Part of IR's Edge series, this power tool has a ball bearing construction that's