Impulse sterling is the official supplier for the chinese national weight lifting team the impulse dual use multi press is on of the great machines from impulse this is part of the dual range where you work more than one muscle group for example this machine works the shoulders and triceps warranty of the impulse dual use multi press main frames life time moving arms 2 years linear bearings springs adjustments 1 years hand grips upholstery pads and rollers all other parts including en