Uxcell Rubber Sealing Washers Oil Filter O Rings (10 Piece), Red, 51mm x 3mm x 45mm Product name : rubber O ring; material : rubber Inside diameter : 45Mm/1. 77"; outside diameter : 51Mm/2. 01" Thickness : 3Mm/0. 12"; color : Red Weight : 12G Package Content : 10 x rubber O rings