The DEWALT DCK2050H2 POWERSTACK Twin Pack contains the following: 1 x 18V DCD805 XR Brushless G3 Combi with an ultra-compact, lightweight design for use in confined spaces, with enhanced pivoting LED, positioned on the foot, offers greater visibility in dark, and confined spaces. Chuck: 13mm.No Load Speed: 0-650/2,000/min.Impact Rate: 34,000/bpm.Max. Torque: 90Nm.Capacity: Steel 13mm, Masonry 13mm, Wood 55mm. 1 x 18V DCF850 XR Brushless Impact Driver with a 3 mode switch for enhanced control, including Precision Drive which prevents damage to the material, and fastener in smaller jobs. Bit Holder: 6.35mm (1/4in).No Load Speed: 0-1,000/2,800/3,250/min.Impact Rate: 3,800/bpm.Max. Torque: 205Nm.Weight: 0.9kg. 2 x 18V 5.0Ah POWERSTACK Li-ion Batteries. POWERSTACK batteries deliver 50% more power with a 25% smaller footprint, and work with all DEWALT 18V XR tools. Also supplied with: 1 x Multi-Voltage Charger 10.8-18V Li-ion and 1 x TSTAK II Toolbox.