Length (in): 9 Width: 7 Inside Diameter (in): 5.87 Height(in): 0.3 Cross Section Diameter (mm): 5.3 Weight (lbs): 0.1 Cross Section Diameter (in): 0.21 Material: FKM - Fluoroelastomer Material Description: FKM provides superior performance in most applications, including Air, Engine Oil, Diesel Fuel, Hydraulic Oil, Automatic Transmission Fluid and Biodiesel. Most FKM formulations should not be used with Coolant/Urea. FKM is effective in high temperatures, and has good abrasion and cut resistance. Coating: None Notes:: Dimensions and Material Descriptions provided for reference only. Color may differ from image.