Ivy Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. Ivy Classic Spline Carbide Hammer Bits are designed to drill perfectly concentric holes through granite, stone, brick, block, and concrete. The 4-cutter tungsten carbide reinforced head is copper-silver brazed to withstand extreme heat and reduces vibration for smoother and more efficient drilling. These bits are constructed with a chrome vanadium steel body to ensure strength and straightness. Ivy Classic Spline Carbide Hammer Bits fit all Spline hammer drills and meet ANSI specifications. Available in a variety of lengths and diameters.