ITEM NAME:40 mm x 36 mm x 2 mm Silicone O Ring Oil Sealing Washers Red 10 Pcs F8C1 40 mm x 36 mm x 2 mm Silicone O Ring Oil Sealing Washers Red 10 Pcs F8C1 Product Name: O-ring made of silicone Material: silicone Color: Red Made of heat-resistant silicone that does not burn. Silicone can be used in a wide temperature range and has excellent resistance to weathering and ozone. Suitable for vacuum pipes for noise reduction and rattle protection. It is used to dampen bumps and vibrations etc. Outer diameter: 40 mm Inner diameter: 36 mm Thickness: 2 mm Weight: 5 g Package Contents: 10 x Silicone 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..Made of heat-resistant silicone that does not burn. Silicone can be used in a wide temperature range and has excellent resistance to weathering and ozone. Suitable for vacuum pipes for noise reduction and rattle protection.