Description 【Trailer Bearing Grease Cover】 Ensure optimal functionality with advanced trailer bearing dust caps and grease covers, engineered to extend the lifespan of critical parts by blocking out dirt and moisture effectively; their ergonomic design simplifies assembly, offering versatile use across different trailer types, including those needing special wheel center caps or hub dust cap replacements, meeting diverse user demands effortlessly.【Hole Cover Caps】 Features -Color:Silver -Material:Aluminum - Size: 6.50X5.50X3.00cm/2.55X2.16X1.18in