The DEWALT DCK2104L2T XR Brushless Twin Pack, contains the following 1 x 12V DCF801 XR Brushless Sub-Compact Impact Driver with 3 electronic speeds for greater control when working on precise applications. Precision Drive mode is ideal for fine screw work, preventing the screw head or material from being damaged. Compatible with existing 10.8V and 12V slide on batteries. No Load Speed 0-950/0-1,950/0-2,850/min. Impact Rate 0-3,600/bpm. Max. Torque 163Nm. Weight 0.8kg. (1.76lbs). 1 x 12V DCH072 XR SDS Plus Hammer Drill, a brushless motor for improved run time, and durability. Ideal for drilling anchors, and fixing holes into concrete, brick and masonry. The drill has an ultra-compact design with overmoulded handle and grip areas to enhance grip, and comfort. There is also a bright, white LED with a delay feature for improved visibility. No Load Speed 910/min. Impact Rate 4,280/bpm. Impact Energy 1.1 joules. Capacity Concrete 14mm, Wood 13mm, Metal 10mm. Weight 1.7kg (without battery). (