The Durofix 60V Cordless Brushless Jumbo Impact Wrenches, Nos. RI60164 and RI60164-6, has two anvil size options: 1/2" (No. RI60164) and 3/4" (No. RI60164-6). The 1/2" impact wrench delivers up to 1,500 ft-lbs of maximum reverse torque and offers three pre-set torque stages (332, 450, and 1,000 ft-lbs). The 3/4" impact wrench has a maximum reverse torque of 1,605 ft-lbs and offers three pre-set torque stages (332, 450, and 1,070 ft-lbs). Both feature a built-in LED light and battery power indicator.