... )good quality, reasonable price Rubber Hole Grommets Sizeaccording to customers' specification(drawing), 2D & 3DMaterialSilicone,FKM,EPDM,NBR,SBR,NR,Neoprene,HNBR,Polyurethane ... our advantage, we can design and produce according to your drawing(2D/3D) or samples. If you are interested or have ...