ITEM NAME:5 Pcs 70 x 3.5 x 63 mm Flexible Black Rubber O Ring Oil Seal Gaskets U8K5 5 Pcs 70 x 3.5 x 63 mm Flexible Black Rubber O Ring Oil Seal Gaskets U8K5 This oil seal O ring is made of rubber material, round section, easy to install. Applications: automobile, electrical appliance, mechanical, industrial, construction, household, and other fields. Product Name : Oil Seal O Ring Material : Rubber External /Inner Diameter/Thickness : 70*63*3.5mm Color : Black Weight : 16g Package Content : 5 x Oil Seal O Rings 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..This oil seal O ring is made of rubber material, round section, easy to install.