Milwaukee Tool has a full line of demolition steel accessories with a variety of shanks (SDS-Plus, SDS-Max, spline or round hex, 3/4 hex, and 1-1/8 collared hex with notch). The Milwaukee 48-62-2020 is a 1 in. x 12 in. Spline round hex demo flat chisel. This demolition steel hammer accessory is ideally used with Milwaukee 2 in. Spline drive rotary hammer 5340 – 21. made from forged high grade steel, this hammer iron has heat treated work areas and is used for demolition work, chipping and channeling in concrete.