.3 HP 1/4" Mini 90° Angle Head Die Grinder (402110) Quality advances for longer service life include: steel end plate inserts, brass collar, reinforced air inlet and cylinder made of higher quality steel Precise bevel gear systems reduces speed for powerful confined area work Featuring deeper cut gears locked in place by slot and pin mechanism for improved service life All ball bearing construction and lever throttle for positive speed control Built-in air regulator Front exhaust Standard Accessories: Wrenches, 1/8" collet Specifications: Product Weight (lb/kg) 1.05 lb (0.47 kg) Collet Size 1/4" Free Speed (RPM) 18,000 Overall Length 5-3/16" Avg. Air Comsumption (cfm) 5 Min. Hose Size 3/8" Air Inlet (NPT) 1/4" Sound Pressure (dBA) 103 Vibration (m/s²) 2.5 * All Pictures Shown Are For Illustration Purpose Only. Actual Product May Vary Due To Product Enhancement.