HiKOKI 40mm (1-9/16") Rotary Hammer apacity Drill Bit 40mm (1-9/16") Core Bit 105mm (4-1/8") Power Input 1,100W Bit Shank SDS max No Load Speed 620/min. Full Load Impact Rate 2,800/min. Overall Length 448mm (17-5/8") Weight (including side handle) 7.1kg (15.6lbs.) Vibration Total Values (triax vector sum)* Hammer drilling into concrete Vibration emission value : ah, HD = 16.5m/s2 Uncertainty K = 1.5 m/s2 Equivalent chiselling value Vibration emission value : ah, CHeq = 13.3m/s2 Uncertainty K = 1.5m/s2 Standard Accessories Side Handle, Stopper, Hammer Grease A (30g), Carrying Case