Uxcell Rubber Oil Seal O Rings Gaskets Washers (20 Piece), Black, 5mm x 2mm x 1.5mm Product name : O ring; material : rubber Color : Black; outside diameter : 5Mm/0. 2" Inside diameter : 2Mm/0. 08"; thickness : 1. 5Mm/0. 06" Weight : 1G Package Content : 20 x O rings