General description The DEWALT DCK2052H1 Twin Kit includes a powerful 18V DCD999 XR XRP Combi Drill featuring FlexVolt ADVANTAGE technology, which allows the tool to recognize XR FLEXVOLT batteries for enhanced performance. It also comes with an 18V DCF850E2T XR Brushless Impact Driver equipped with a 3-mode switch for improved control, including a Precision Drive mode to prevent damage during smaller jobs. Technical specifications Combi Drill Chuck Capacity: 1.5-13mm Combi Drill No Load Speed: 0-500/1,500/2,250/min Combi Drill Impact Rate: 38,250/bpm Combi Drill Max Torque: 67Nm Combi Drill Drilling Capacity: Metal 15mm, Wood 55mm, Masonry 13mm Combi Drill Weight: 1.6kg (without battery) Impact Driver Bit Holder: 6.35mm (1/4in) Impact Driver No Load Speed: 0-1,000/2,800/3,250/min Impact Driver Impact Rate: 3,800/bpm Impact Driver Max Torque: 205Nm Impact Driver Weight: 0.9kg Battery 1: 18V POWERSTACK™ Li-ion 1.7Ah Battery 2: 18V POWERSTACK™ Li-ion 5.0Ah Charger: 1 x DCB1104 Kitbox: 1