Features: Hitachi H45MRY SDS-Max Demolition Hammer Low vibration and noise level thanks to Hitachi's new counter-balance technology and vibration absorbing handle Class-top chipping and demolishing performance (12.7 J) A highly reliable mechanism to prevent idle hammering results in an extended service life Quicker self-chiseling with a better feeling and a light pressing force An easy-to-handle tool holder specially designed for single-step installation of the hammer bit Simple turning method / variable lock mechanism for easy working-angle adjustment of chisels, etc. A D-type side handle with fully adjustable mechanism for 360 degree rotation and adjustable forward / backward angle Soft-touch grip for easier handling Large trigger switch for comfortable operation Sealed and dustproof construction Auto-stop carbon brushes Specifications: Hitachi H45MRY SDS-Max Demolition HammerPower Input950WStriking Energy per Stroke12.7 JBit Shank TypeSDS-maxFull-Load Impact Rate3,000/minFull-Load