Vibration dampe is made of steel,hot dip galvanized.It is used to restrain Aeolian vibration of conductor and ground wire. Types:1) Damper (type FD, FG)2) Damper (type FDZ)3) Damper (type FR)Features:1) Grey iron painted counter weights and the other parts are made ofhot-dip galvanized steel2) For industry use to reduce vibration of lines in wind 3) Delicate structure, easy installation, smooth ...