Floating main and side handles of power hammers cushion and isolate vibration, reducing operator fatigue. Rotary Model 5345-21 with 1 3/4 in. spline drive transmits torque efficiently to bit. Rotary Model 5346-21 features 15 chisel positions for versatility. Chipping Model 5336-22, strictly for demolition, has round/hex toolholder. Soft-starting 13 A motor maintains speed under loads while delivering 8.6 ft-lb blows. VS control dial enhances operation.