ITEM NAME:5 Pcs 85 mm Outside Dmr 3.5 mm Thick Rubber Rubber Oil Seal O Ring Seal rin D7K2 5 Pcs 85 mm Outside Dmr 3.5 mm Thick Rubber Rubber Oil Seal O Ring Seal rin D7K2 These oil seal O rings are made of rubber material, with round cross section, easy to install. Applications: automotive, electrical appliance, machine, industry, construction, household, and other fields. Product Name: Oil Seal O Ring; Material: Rubber Outer diameter: 85mm / 3.3 inch Inner diameter: 78 mm / 3 inch Thickness: 3.5 mm / 0.14 inch Color: Black Weight: 22g Package Contents: 5 x rubber O ring Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.