Ingersoll Rand 3107g Heavy Duty Pneumatic Die Grinder, 1/4" Air Inlet Air Die Grinder A Durable; Powerful; Yet Economical Choice Offering Longer Life And Higher Free Speed At 27000 Rpm. A General Purpose Tool Designed For Porting; Light Weld Grinding; And Breaking Sharp Edges. Part Of Ingersoll Rand`S Edge Series Line Of Air Tools: Legendary Performance At An Affordable Price. Features: Long-Life Ball Bearing Construction Self-Locking Lever Throttle Rear Exhaust Ergonomic Grip Rated Power:.......................