This is made for drilling holes in brittle material like concrete, brick, rock, or stone. This unit has a square SDS shank, that takes the slotted SDS bits. The motor is 110V, 60Hz, and is rated at 6 amps. This turns at 500 RPM and produces almost 3000 impacts per minute.

Includes an adjustable side assist handle, and a depth gauge. You get a dust cover, 1 - 7/16" Bit, 1 - 1/2" Bit, 1 - 7/8" Chisel (all with 3/8" diameter) and extra grease for lubricating.