ITEM NAME:10 pieces 30mm x 2mm Rubber Sealing Discs Oil Filter O Rings black D4G5 10 pieces 30mm x 2mm Rubber Sealing Discs Oil Filter O Rings black D4G5 Product name: Rubber O Ring Material: rubber Internal diameter: 26 mm outside diameter: 30 mm Strength: 2 mm Resist oils, hydraulic fluid and water Flexible black rubber O ring seal The present invention relates to a method and apparatus for the manufacture of electrical appliances and so on. Color: black Weight: 4 G Package content: 10 x rubber 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..Flexible black rubber O ring seal. 10 x rubber O rings. Material: rubber. Color: black.