Hitachi H60MRV 2-3/8-Inch SDS Max Demolition Hammer 19-feet per pound of impact energy Forces its way through materials quick and easy with low vibration and noise levels. Motor produces 19.2-fet per pound of impact energy at only 91.5-decibels Shock absorbing handle Comes with a 1-year limited warranty 19-Feet/Pound of Impact Energy IDI Technology Variable speed Shock absorbing handle Variable lock mechanism