The Milwaukee 1/2 in. Heavy Right-Angle Drill Kit is perfect for stud and joist drilling, as well as a host of other applications. The powerful 7 Amp motor delivers 0-500 RPM and when combined with the 2-speed head, you get 0-335 RPM on the low setting and 0-750 RPM on high. The drill’s 1/2 in. keyed chuck handles up to a 4-5/8 in. self-feed bit head.