Uxcell Rubber Oil Filter Seal O Shaped Rings Gaskets (10 Piece), Black, 9mm x 5mm x 2mm Product name : O ring; material : rubber Color : Black; outside diameter : 9Mm/0. 35" Inside diameter : 5Mm/0. 2"; thickness : 2Mm/0. 08" Weight : 1G Package Content : 10 pcs x O rings