... SBR,NR,NEOPRENE,SILICON,FKM. (2)Customize various rubber grommet for wire. Features:(1)Materials:NBR,SBR,NR, ... )Durometer:60+/-5 shore A(3)Customize various rubber grommets for wire.(4)Win the trust of ... or cover through holes with rough edges.The rubber grommet can shield the wire or other materials from ... any damage.The rubber grommet also adds a neat,clean look to any ...