Diablo’s SDS-Max Scaling Chisels deliver extreme durability and stability in general demolition work, thin-set removal, cleaning concrete, and removing scale and rust. A unique heat treatment process strengthens the steel body to withstand the stress and impact of high-powered hammer drills in concrete. The wide chisel design requires minimal effort and time to chip away or break up concrete. Optimized for maximum performance in corded and cordless SDS-Max rotary hammers.