DeWALT Impact Driver Kit, Tool Only/Battery Included: Battery Included, 20 V, Drive Size: 1/4 in, Drive Type: Hex, Impacts per Minute: 3200 ipm, Includes: (1) Charger, (1) POWERSTACK Battery and (1) Kit Bag, Motor Type: Brushless, Ergonomic Handle, Control Type: Variable-Speed Trigger