Material is a hard, durable polymer. It fits perfectly in a 1.5 inch diameter hole. The cap can be temporarily removed to allow cables with large connectors to pass through. The only drawback is the relatively high price.
CargoLoc 82473: Secure π Your Cargo With 10 High-Quality Grommets
11 Review
π§ Efficient Handheld Grommet Punching Machine by BIZOEPRO
10 Review
π§ General Tools 1261 4-2 Inch Grommet: Enhanced SEO-friendly Product Title
9 Review
π§ Grommet Guru: Unleashing the Power of MEZOOM's Diameter Setting Projects
9 Review