Check the listing for details. 100Pcs Tube End Cap Plastic Plugs, Round Plastic Plug Fit 2.87" OD Tube, Blue. Condition: New. Listed at 69.93 USD. Description:Good Material: The pipe end cap hole plug is made of quality and durable PE material, lightweight and flexible, featuring good elasticity, resistance to cold, heat, corrosion, and impact, with a long service life.Features: This round plastic plug is an external snap cap with an internal thread design, ensuring a tight seal with pipes or other openings, effectively preventing equipment scratches and providing dust and moisture protection.Easy to Use: Simply align the cap with the target part and press gently for a secure fit. Installation is quick and easy, requiring no tools or complicated steps. For best results, choose a plug cap that is equal to or slightly smaller than the outer diameter of the part being covered to ensure a secure seal.