Diablo's SDS Plus and SDS Max Twist Point Chisels deliver extreme durability and stability in general demolition work and clearing reinforcements. The reflective energy collar converts impact-generated energy into new energy for maximum material removal. A unique heat treatment process strengthens the steel body to withstand the stress and impact of high-powered hammer drills. The Twist Point design provides wider flutes for faster chipping and jam-free material evacuation. Self-sharpening tip increases productivity and extends the tools life. Optimized for maximum performance in corded and cordless SDS Plus and SDS Max rotary hammers.