Check the listing for details. 2-7/8? Universal Threaded Hub Cap - fits 6K-8K axles. Condition: New. Listed at 42.93 USD. 2-7/8” Universal Threaded Hub Cap, fits 6K-8K axles. Aluminum Alloy body, designed for grease and/or oil bath applications. Oil level indicating window and magnetic vent plug that removes metallic particles. Easy access drain port / fill port.Plug, seals & hardware included1/8”-27 NPTF Plug included2.875” Machined ThreadReplaces Dexter #21-35/K71-038-00, 021-029-00, Lippert 695814, Kodiak 8001Fits:Fits 6K, 7K, & 8K 8 bolt axles, Dexter 6K and 8K screw in and Dexter 9K axles (before 10/1989)Fits Lippert 8K axlesFits Kodiak 8K hub-and-rotor disc brake kitEach Hub Cap contains:(1) hub cap(1) gasket(1) lens(1) retainer ring(1) foam gasket(6) Torx Screws(1) magnetic vent plug(1) 1/8 -27 NPTF plug included(1) O-RingProduct Spec Sheet - Click Here