... the product anti-shock,slip-resistance,dustproof,protection Nbr/cr/nr/epdm/silicone/viton Rubber Damper Welcome to contact with ... *30*M6(screw) Nbr/cr/nr/epdm/silicone/viton Rubber Damper Appearancecylindrical Nbr/cr/nr/epdm/silicone/viton Rubber Damper colourBlack ... 50% in advance and then finished before delivery Material NR,NBR,SBR&etc Advantage Anti-shock,durable,waterproof,non-toxic ...