Product Name: Solid Rubber Grommet for Panel Hole Standard: Standard, Nonstandard Performance: Flexible Application: Protect Wire and Cable Material: Silicone, Natural Diameter: 1/4", 3/8", 1/2", 1 3/4"... Inch Trademark: Exact Transport Package: 100PCS/Bag Origin: China HS Code: 4016931000 Product Description We manufacture and export Rubber Grommets to USA, Canada and Europe. We have various dimensions to fit your panel holes from 1/2" to 4" diameter.Material:Natural Rubber, Flexible Vinyl, Silicone RubberHardness:60+/-5 Shore ADimensions and drawing view:Product range:Plugs, End Caps, Foot Covers, Door Stops, Wheel Chock, Isulation Mouting, Anti-Vibration Pads, Rubber Foots,Corners, Pistion Seal, Shock Aborber Mat