1、Compatibility: Dust caps is fit for most standard 2000 ‑3500 pounds trailer wheel hub for both types of axles EZ Lube and standard. 2、Function: Trailer axle caps are designed to keep the trailer wheels from getting dusty and are not only a simple decoration, but also help you maintain the wheels. 3、Strong Sealing: The galvanized bearing dust capsis rust proof and has good sealing and compatibility, long term durability. 4、Anti Aging: The dust caps is made of aluminum alloy and rubber, durable, flexible, high toughness, aging resistant, abrasion and tear resistance. 5、Practical Tool: Sufficient equipment to meet your daily use or replacement, and is a practical tool for your trailer use. <p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Trailer&nbsp;Hub&nbsp;Bearing&nbsp;Dust&nbsp;Caps</p><p>Material:&nbsp;Aluminum alloy, rubber</p><p>Fit for most standard 2000 to 3500 pounds trailer wheel hub for both types of axles EZ Lube and standard.</p><p>Fit for standard brake or idler trailer axles for most 4 lug or 5 lug axles with 1.98 in diameter cap <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style></p><p> </p><p></p><p></p></p> 4 x Trailer&nbsp;Hub&nbsp;Bearing&nbsp;Dust&nbsp;Caps