The M18 FUEL™ 40 mm SDS-Max Drilling and Breaking Hammer with ONE-KEY™ delivers powerful performance with 8.1 J of impact energy in a compact, ergonomic design. It features three operating modes—rotary hammer, hammer only, and variolock chisel positioning—for maximum versatility, along with AUTOSTOP™ technology to protect the user in bind-up situations. An advanced anti-vibration system with an additional AVS side handle reduces fatigue, while a trigger safety lock improves transport safety. Powered by the FUEL™ platform with a POWERSTATE™ brushless motor, REDLITHIUM™ battery, and REDLINK PLUS™ intelligence, it is ONE-KEY™ compatible for tracking and security and works with all M18™ batteries.