ITEM NAME:90 mm x 5 mm Fluorine rubber O Seal Seal Type Green Y9Q3 90 mm x 5 mm Fluorine rubber O Seal Seal Type Green Y9Q3 Product name: Viton O-ring Material: Viton Thickness: 5 mm / 0.2 inch Color: green Outer diameter: 90 mm / 3.5 inch Inner diameter: 80 mm / 3.1 inch Weight: 10 g Contents of the package: 1 x O-ring Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.