This is an 18V XR FLEXVOLT Advantage 2-piece cordless tool kit featuring a DCD999 Hammer Drill/Driver and DCF887 Impact Driver. The hammer drill delivers up to 1,219 UWO of power with 112Nm of torque and an all-metal gearbox, while the impact driver provides 205Nm of torque with variable speed control. The kit includes a 6.0Ah FLEXVOLT battery, a 5.0Ah XR battery, a multi-voltage 6A charger, and a TSTAK kitbox. It offers advanced FLEXVOLT technology that recognizes batteries to deliver enhanced power. Designed for professionals seeking versatility and high performance, this kit provides extended runtime and compatibility across DeWALT's 18V XR tool range.