DEWALT-built high power, high efficiency motor delivers maximum performance in all drilling and fastening applications. 18V high performance battery pack provides longer run time and battery life. Frameless motor for extended tool durability and life. Compact size & weight allows access into tighter areas and reduces user fatigue. Cordless: Yes, Max. Torque (ft.-lbs.): 145, Drive (in.): 1/2, Speed - No Load (RPM): 0 - 2,400/ 0 - 2,700 IPM, Volts: 18, Battery Included: Yes, Charger Included: Yes, Case Included: Yes 18 Volt 1/2in. square drive with detent pin retention in Frameless motor for durability Compact size for access into tighter areas 1740 in.-lbs. of torque 145 ft.-lbs. max. torque 0-2400 RPM/0-2700 IPM for faster application speed Replaceable brushes for increased serviceability Textured antislip comfort grip provides maximum comfort and control Durable magnesium gear case and all metal transmission Heavy duty impacting mechanism directs torque to fastener without kickback DEWALT® exclusive NANO™-phosphate lithium ion cells offer long battery life & durability: 2,000 recharges