The Makita HM0810T A/F Hex Demolition Hammer has a compact, lightweight design and is fitted with a 17mm A/F Hex shank. It utilises AVT Anti-Vibration Technology; the anti-vibration spring is positioned between tool body and rear handle for reduced operator fatigue. A one-touch tool retainer provides easy accessory installation and removal. Supplied with: 1 x Bull Point, 2 x Hex Wrenches (4/5mm), 1 x Side Handle and 1 x Carry Case Specification Input Power: 900W Impact Rate: 2,900/bpm Impact Energy: 8.5 joules Shank: 17mm A/F Hex Weight: 6.0kg All vibration figures quoted are Tri-axial to EN60745 2006. Vibration Chiselling : 14 m/sec². Vibration K Factor : 1.5 m/sec².