DEWALT | SDS Max Demolition Hammer With Avc 10Kg 220V | D25901K-B5Features Active Vibration Control system incorporating counterbalance mass and floating handle delivers extreme low vibration to less than 8 m s2 Large oversize hammer mechanism delivers extreme durability and excellent concrete breaking performance Ergonomic inline design ensures user comfort during any application Compact; streamlined design allows access in confined areas Quick change chisel adjustment allows fast orientation of the chisel through