These versatile tools are both a drill and a chipping hammer. A push of the rotation release button easily and quickly converts the tool to a hammer. The CP-0009 and CP-0014RR rotary hammers are designed for a wide variety of construction and maintenance applications such as driving or setting masonry anchors and drilling holes in concrete, bricks or rock. As a hammer, these tools can be used for chipping, scarifying, scaling and cleaning welds. Features - Excellent power-to-weight ratio helps drill holes faster and easier than comparable electric rotary hammers. - Built-in oilier provides continuous lubrication. - Teasing throttle for precise control. - Rotation release button converts tool to a hammer on some models. - Cushioned piston for smooth operation.