Chicago Pneumatic gives you quality and efficiency in one tool with this 3/4" x 3-3/4" Rotary Hammer, Round (T022083). Designed for a wide variety of constructions and maintenance applications like driving or setting masonry anchors and drilling holes in concrete, bricks or rock, it can also be used for chipping, scarifying and cleaning welds. Its excellent power-to-weight ratio helps drill holes faster and easier than comparable electric rotary hammers. A built-in oiler provides continuous lubrication, while the throttle offers precise control. Plus, there's a cushioned piston for smooth operation and long tool life.