Marketing InformationMilwaukee Tool has a full line of demolition steel accessories with a variety of shanks (SDS-Plus, SDS-Max, spline or round hex, 3/4 in hex and 1-1/8 in collared hex with notch). The Milwaukee® 48-62-2020 is a 1 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.