uxcell 10 Pcs Red Silicone O Ring Oil Seals Gaskets Washers 75mm x 2mm Product Name : Silicone O Ring;Material : Silicone Outside Diameter : 75mm / 3";Inner Diameter : 71mm / 2.8" Thickness : 2mm/ 0.08";Color : Red Weight : 9g Package Content : 10 x Silicone O Ring