The M18 FUEL™ ONE-KEY™ 8 kg SDS-Max Drilling and Breaking Hammer (M18 FHM) is MILWAUKEE®’s most productive SDS-Max tool, delivering corded-level AC power with the freedom of the cordless M18™ platform. Powered by M18 FUEL™ and the HIGH OUTPUT™ system, it provides extended performance and runtime while remaining compatible with all M18™ batteries. Designed for safety and comfort, it features AUTOSTOP™, trigger lock-on, anti-vibration handles, and a service indicator light, while ONE-KEY™ tool tracking, security, and remote locking ensure total control on and off the jobsite.