The Hitachi H85 1 1/8" Hex Demolition Hammer crushes and grooves concrete, cuts asphalt, digs gravel roads for applications such as air conditioning, piping and wiring, sanitary facility construction, water and supply drainage, port facilities, road construction and various other civil engineering construction and repair work. This series of Demolition hammers has enough impact energy at 37.6 ft/LB to demolish any large concrete structure; a powerful 12.2 Amp motor for tough applications; and an automatic oiling system with unique "air pressure oil control" which enables extended use without oiling. It uses standard 1-1/8" Hex shank tools. At 950 BPM, when it hits, it hits hard! Auto stop carbon brushes to protect the armature. Hitachi Power Tools are backed by a 30-day satisfaction guarantee and a one-year limited warranty on parts and labor. It includes: oil feeder (931848), hex wrenches (955857 & 943277), wrenches (971109 & 872422), side handle (95652)