Set of four 6-lug wheels measure 16-1/2" in total diameter X 6-3/4" on edge. Lug bolt spacing from one lug bolt to the one straight across is 5-1/2". Hub opening is 3-1/2". The pocket for the hub cap to mount into is 8". Individual wheel weighs 23#. Wheels are solid; very little rust to clean up. Ran for a while on my '48 Chevy 1/2 ton p.u. before restoration was completed. JUST TAKING UP SPACE NOW! Pictures available. E-mail Luke at: LStefanovsky@mtpleasant.edzone.net or call (989) 621-5382. You will not be disappointed!