The Milwaukee M28 CHPX FUEL™SDS+ Hammer Drill is the hardest hitting hammer in its class, it\'s powerful hammer mechanism delivers 4.5 Joules of impact energy at low 8.6 m/s² vibrations thanks to the new dual rail anti-vibration system. Offers four modes of operation: rotary hammer, hammer only, rotation only and variolock for maximum versatility. The high powered motor gives corded tool performance, it is fitted with a Milwaukee® designed and built brushless POWERSTATE™ motor with all metal gear case for optimum seating of the gears for enhanced service life. It uses a FIXTEC system for keyless chuck changing. This hammer drill is fitted with REDLINK PLUS™ intelligence system, that delivers the most advanced digital overload protection for tool and battery and uniquely enhances the tool performance under load. Compatible with M18-28 CPDEX dust extractor. Specification No Load Speed: 0-5,000/min.Impact Energy: 4.7 Joules.Capacity: Wood: 30mm, Steel: 13mm, Concrete: 28mm.Weight: 4.7kg. The Milwaukee M28 CHPX-502C FUEL™ SDS+ Hammer Drill 28 Volt Comes with: 2 x 28 Volt 5.0Ah Li-Ion Batteries, 1 x Charger and 1 x Carry Case.