Dimension: 2.125'' x 3.376'' x 0.375'' Type: Double Lip Spindle: D42 Package: 2 pcs Features: For use with 5200, 6000, 7000 lb trailer axles common on EZ-Lube end units for use with D42 spindles rubber, double lip design with steel construction Seal Cross Reference: Dexter #: 10-10 Transcom #: 21333TB National #: 470972 NOK #: AD8717EO Chicago #: 21352