Diablo 10 In. SDS-Plus Twist Point Chisel. 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.