They are about 1 15/16" OD which means they will fit snugly when using a 2" hole saw but are very loose. I fixed this by wrapping some tape around the insert so it fits snugly but can still be removed (as opposed to gluing). Otherwise it's good.
π§ Grommet Guru: Unleashing the Power of MEZOOM's Diameter Setting Projects
9 Review
Edward Tools Grommet Kit Rustproof
9 Review
CargoLoc 82473: Secure π Your Cargo With 10 High-Quality Grommets
11 Review
Cal Hawk AZGA125 Grommet Assortment Electrical: Complete your Electrical Projects with Versatile Grommets!
9 Review