... 15*2/16*2/3.6*1.8 and so on (1)Applications:Automobile such Santana,Volkswagen,Steyr,Cummins and ... NBR, Silicon, EPDM, Fluoroelastomers, Neoprene, Acrylic resin glue and so on.(3)Colour: red, black, yellow, green, purple, blue and so ... 15*1.8/16.8*2/14*2 and so on.(5)Highly resitance pressure.(6)Accepted sample or product ... to specifications required.Factory Pictures: O Ring Colored Made of NBR