Optimized for efficiency in a wide range of drilling and fastening applications, the M18 1/2 in. Cordless Lithium-Ion Compact Brushless Drill Driver (Tool Only) is the most compact 18V drill on the market and delivers over 50 percent longer runtime than drills with brushed motors. With a short length and light weight, this drill provides excellent control and balance in a compact size, perfect for work overhead or in tight spaces.