The Milwaukee 5Pc Hammer Chisel Bit Set offers Universal Fit with a.401 Round Shank recommended with the M18 Fuel Striker Hammer Chisel and is also compatible with pneumatic solutions. Built to provide Long Life made with Durable Steel, this selection of bits completes the most common applications. This 5-piece set includes a round hammer, flat chisel, tapered punch, slotted sheet metal ripper, and spot weld breaker. Each bit has a black oxide coating that will withstand Rust and Corrosion seen in harsh job conditions.