(Pack of 4) 3" OD ROUND Plastic CAP PLUGS (14-18 Ga - Fits ID 2.83" to 2.90") | Thick, impact n abrasion resistant base w/ Flex Ridges | 3 Inch Tube Wrangler Bumper End Caps | Fence Post Slide Insert ** Flexible ridges or straps snugly hold these plugs in place and allow them to fit a range of hole sizes. ** For ID 2.83" to 2.90" . Height 3/4" ** A thick, impact and abrasion resistant base makes these plugs ideal tubing closures for products subject to heavy-duty service or exposure to adverse environments. * Please measure your Pipe/Tube Inside Dimensions and order the suitable size.