Hikoki H65SD3 Heavy Duty Breaker (110V)The optimized hammer mechanism with a cylindrical striker delivers a high impact energy and efficient impact rate, resulting in higher demolition performance. Superior Working Comfort Due to the large heavyweight (cylindrical) striker, the chisel easily cuts into concrete, which makes users feel more comfortable during demolition work. The user vibration protection (UVP) system reduces vibration to a tri axial vibration value of 15. 5m s2(H65SB3) and