The cone is used with a hammer drill and allows you to accelerate the process of cutting wood. The principle of action is elementary, but nevertheless effective. The essence is that the cone, like a screw is screwed into the wood and splits it into pieces. The size of the cone is 130X32mm. The cone is made of high carbon steel and has grooves on the surface that prevent the nozzle from slipping. The vendor has a choice of several types of shank. The cone comes in one piece per order.