Washer Type: Flat Outside Diameter (mm): 45 Inside Diameter (mm): 13 Thickness (mm): 6 Coating: Zinc Plated Material: Polyolefin Plastic,Polyolefin Plastic Material Description: Polyolefin family of plastics generally provide good chemical resistance, toughness at low temperatures and good electrical properties. Low density grades are used when flexibility and clarity are desired, while high densities are more rigid and possess greater strength. Cross Section Height (mm): 13.5 Cross Section Width (mm): 0.5