Description: The rubber grommet is manufactured from black rubber, which is powerful and sensible. 2-hole design, sturdy sealing. We offer 6 Tank Gas Seal Grommets to fulfill your substitutewants. Diameter: The underside diameter is about 20mm, the outer diameter is about 24mm, the outlet diameter is 5mm, and the gas tank gap is 18mm. This rubber grommets is oftenutilized in hedge trimmer brush cutters. Bundle Contents: 6 Pcs Rubber Grommet Be aware: 1. The actualshade of the merchandisecould also bebarelytotally different from the photographsproven on web siteattributable to many componentsequivalent to brightness of your monitor and light-weight brightness. 2. Please permit slight handbook measurement deviation for the info.