The Porter-Cable PCCK607LB 20V MAX 1.3 Ah Cordless Lithium-Ion Brushless 1/2 in. Drill Driver Kit delivers 50% more runtime with a powerful motor that has 350 Watts for heavy-duty applications. The 1/2 in. ratcheting chuck allows improved and reliable bit retention and the drills compact size makes it easier to work in tight spaces for added versatility. Brushless motor provides 50% more runtime. Powerful motor has 370 Watts of power for heavy duty applications with minimal stall. Transmission has 1,800 Max RPM for speed of drilling and fastening applications. 1/2 in. ratcheting chuck for improved and reliable bit retention. Compact size of 7.4 in. for work in tight spaces. Lightweight design at 3.3 lbs. (with battery) for less fatigue.