... 4)good quality, reasonable price Shock Absorber Rubber Grommets Sizeaccording to customers' drawing, 2D & 3DMaterialSilicone,FKM,EPDM,NBR,SBR, ... ~80 Shore A, others 40~90 Shore AColorany colorTechnologymouldingRemarks: how to choose the material, not the expensive is the best, ... are interested or have any other questions, please do not hesitate to contact us. Thanks.Some Shock Absorber Rubber Grommets ...