The HERCULES® 20V Brushless Cordless 2-Tool Combo Kit includes a 20V, 1/2 in. Hammer Drill, 20V, 1/4 in. Impact Driver, two 20V, 5 Ah lithium-ion batteries, and a 20V, 4 amp multi-volt fast charger. The hammer drill delivers up to 32,000 blows per minute, making it excellent for drilling in masonry and concrete, while the impact driver has a four-mode selector with three speeds and a self-tapping/auto stop mode. Both tools in this professional combo kit have high-performance brushless motors, making them ideal for demanding fastening jobs.