Universal vibration damper 1/2" thread 1,500kg per piece.
Regarding the kit with 4 units The vibration damper Vibramatt  in its traditional line is the only one manufactured in stamped steel where it stands out  from the others, allowing a greater load resistance capacity , counting  with a textured electrostatic painting giving longer useful life to the piece in relation  to oxidation and offering a better finish and aesthetics for your equipment