The Panasonic EY7881 SDS Plus Rotary Hammer is fitted with a brushless motor for increased power and lifetime. Ensures efficiency, durability and comfort for the tough demands of professionals. It has a compact, lightweight body that ensures easy handling, even in overhead applications. The soft grip handle features a vibration dampening area for less fatigue in serial drilling applications. Specification: No Load Speed: 0-560/0-680/0-840/min. Impact Rate: 0-2,950/0-3,600/0-4,400/bpm Max. Impact Energy: 1.4/2.3/3.3 joules Weight: without DCS 3.9kg, with DCS 4.8kg