The 2892-22CT M18 2-Tool Combo Kit includes the 1/2 in. Compact Brushless Drill Driver (2801-20) and the 1/4 in. Hex Compact Brushless Impact Driver (2850-20). The M18 Cordless System’s patented technologies and electronics, innovative motor design and superior ergonomics provide the most efficient blend of power, weight and performance in the industry. The M18 Compact Brushless Drill/Driver is the Most powerful compact 18-Volt drill on the market. The M18 1/4 in. Hex Compact Brushless Impact Driver has the fastest application speed its class and delivers 1,600 in./lbs. of torque. Both tools feature Milwaukee built brushless motors, RedLINK Electronics and REDLITHIUM batteries that provide more efficient power delivery, for fewer trips to the charger.