The Milwaukee M18 FUEL SDS-Plus 28mm Hammer FIXTEC ONE-KEY (M18ONEFHPX-0X) delivers unmatched power and performance, making it the hardest-hitting cordless SDS-Plus hammer in its class. With a hammer mechanism producing 5.0 J of impact energy and low vibration levels at just 6.9 m/s², it offers a combination of power and comfort for demanding drilling and chiseling applications. This rotary hammer features the FIXTEC system for quick and keyless chuck changes between SDS-Plus and a 13 mm metal chuck, enhancing its versatility. ONE-KEY technology enables advanced tool tracking, inventory management, and remote locking, ensuring security and convenience. Compatible with M18 FPDDEXL dust extractors, it provides seamless integration for a cleaner workspace. .spec-container { display: flex; flex-wrap: wrap; margin-bottom: 20px; } .spec-item { flex: 1 1 50%; /* Take up half the width on desktop */ padding: 10px; box-sizing: border-box; background-color: #f2f2f2; /* Default background for desktop */ } .spec-item strong { display: block; margin-bottom: 5px; } /* Mobile View: keep alternating background colors */ @media screen and (max-width: 600px) { .spec-item { flex: 1 1 100%; /* Stack items vertically on mobile */ } .spec-item:nth-child(odd) { background-color: #f2f2f2; } .spec-item:nth-child(even) { background-color: #ffffff; } } Model Number M18ONEFHPX-0X Impact Energy 5.0 J (EPTA) Vibration 6.9 m/s² Drilling Capacity Up to 10 holes (18 x 100 mm) per charge Modes Rotary hammer, hammer only, rotation only, variolock Chuck System FIXTEC for keyless chuck changes Safety Features AUTOSTOP for user protection Connectivity ONE-KEY too