Milwaukee 1/2" Multi-Material Bell Hanger is a highly versatile and durable drill bit designed to handle a wide range of materials including brick, block, concrete, steel, aluminum, ceramic tile, backerboard, wood, PVC, stucco, and drywall. for small wire system installations, this bit features a unique hole in the tip to facilitate cable and wire pulling for computer, security, phone, and cable systems. Measuring 18 inches in length, it extra reach for complete through-hole applications. The aggressive multi-grind carbide tip ensures up to 10 times longer life when drilling through stacked materials and delivers up to 85% faster drilling speeds in metal. Equipped with a 1/4" hex shank, it is compatible with impact drivers, drill/drivers, and hammer drills, making it an i all-in-one solution for wire-pulling tasks. Model Number: 48-20-8866