Uxcell 2mm Thickness 11mm External Dia Rubber Oil Seal O Ring Gasket (10 Piece) Product name : Oil seal O ring; material : rubber External diameter : 11Mm/0. 43"; inner diameter : 7Mm/0. 27" Thickness : 2Mm/0. 08''; color : Red Weight : 2G Package Content : 10 x Oil seal O rings