The DEWALT DCD805 20V Max XR Brushless Cordless 1/2 in. Hammer Drill/Driver is a high-quality power tool designed for various drilling and driving tasks. With a maximum torque of 330 in-lbs and a speed of 1650 RPM, this compact rotary hammer drill offers efficient and powerful performance. The lithium-ion battery technology ensures long-lasting power, while the keyless chuck size of 1 1/2 inches allows for easy bit changes. Featuring a durable brushless motor and a lightweight design of 2.3 lbs, this DEWALT hammer drill is a versatile and reliable tool for any project.