Cordless Hammer Drill Kit Voltage 20.0 Battery Included Chuck Size 1/2 In. Brushless Motor No No Load RPM 0 to 575/0 to 1350/0 to 2000 Blows per Minute 0 to 9775/0 to 22 950/0 to 34 000 Max Torque Not Specified Max Power 535UWO Battery Included (2) 21RV47 Cordless Tool Battery Type Li-Ion Battery Capacity 4.0Ah Tool Length 10-1/4 In. Tool Weight 5.2 lb. Clutch Style Adjustable Handle Type T-Handle Battery Pack Replacement 21RV47 Features LED Worklight