Powerful 7.5 Amp Motor for Heavy Duty Applications 2,700 IPM for Fast Tightening and Losening of Bolts 250 Ft./Lbs. Die Cast Aluminum Gear Box Housing Convenient Rocker Switch for Easy Reversing and One-Handed Operation Double Insulated SPECIFICATIONS Input: 7.5 Amps Square Driver: 1/2" Impact per Minute: 0-2700 IPM No Load Speed - High: 0-2100 RPM Net Weight: 7.7 Lbs.