IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. IVY Classic Electrician's Step Drills, constructed out of M2 high-speed steel, are designed to produce perfectly round, burr-free holes in metal, wood and plastic up to 1/8-inch thick. These precision ground, bright finish drill bits feature a tri-lobe shank which won't slip in the drill chuck and a split point which provides fast penetration and accurate starting. The cone shape of these bits adds strength and prevents bit flexing while drilling. Additionally, the sizes of these bits have been laser-etched onto the bits for easy hole size identification. These step drills are intended for electrical work and comprise the most popular sizes for electricians.