Makita HM1214C SDS Max AVT Demolition Hammer 1500W 110VThe Makita HM1214C AVT Demolition Hammer is a 10kg class demolition hammer adapted for SDS Max bits. Uses AVT (Active dynamic Vibration absorber Technology) for reduced vibration during chipping and suppression of motor speed when no load for reduced vibration when idling. Its in line tool design is perfect for downward vertical applications. Produces constant speed, even under load and the soft start restricts the initial inrush to provide a