Product Details: The Pelican Worldwide 4" Aluminum Cam and Groove Dust Cap is the perfect solution for protecting your equipment from dust and debris. This dust cap is made of durable aluminum and features stainless steel metallic pins for a secure fit. The gasket is supplied in black nitrile rubber for a tight seal and the handles are made of brass for easy handling. This dust cap is designed to keep your equipment safe and secure and is perfect for industrial, commercial and residential applications. FleetPride is your First Click in Heavy Duty®.