I used this in drywall when installing my main hub on the wall. Works great, very flexible, doesn't pinch or pinch the wire. Would recommend. You'll need to drill a 1" hole, so have the right tools.
CargoLoc 82473: Secure π Your Cargo With 10 High-Quality Grommets
11 Review
π§ General Tools 1261 4-2 Inch Grommet: Enhanced SEO-friendly Product Title
9 Review
π§ General Tools 1261 2 Rustproof Grommet: A Durable Solution for Rust-Free Fastening
9 Review
Edward Tools Grommet Kit Rustproof
9 Review