The MILWAUKEE Flat Boring Bits are the ideal solution for boring holes at any angle in a variety of materials. The premium quality spade drill bit is made of heat-treated high carbon steel. The pilot drill point and cutting edge of the paddle bit are designed to be resharpened, saving time while extending the life of the bit. The 1/2 in. x 4.5 in. flat spade bit bores clean, fast holes at any angle in wood, plastic, plywood and Formica.