rubber hole grommets 1)various rubber 2)different colors 3)custom made hole grommets 4)good quality, reasonable price Rubber Hole Grommets Sizeaccording to customers' specification(drawing), 2D & 3DMaterialSilicone,FKM,EPDM,NBR,SBR,NR,Neoprene,HNBR,Polyurethane,FVMQ,FFKM,Aflas, etc.DuroSilicone: 20~80 Shore A, others 40~90 Shore AColorany color as PantoneTechnologymoulding, cheap mould costNote: ...