ITEM NAME:125mm x 3mm thick red silicone O ring gasket seal B2F8 125mm x 3mm thick red silicone O ring gasket seal B2F8 Product Name: O Ring; Material: silicone Thickness: 3 mm; Outer diameter: 125 mm; Inner diameter: 119 mm Color: Red Weight: 4 g 100% brand new and high quality. Contents of the package: 1 x O ring silicone 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.