I am looking for info on which hub caps might fit an 4WD 85 Blazer (actually a military M1009) with the 15" steel wheels. I'd like to find the small diameter similar to the 72 to 79 (?) style. Finish is irrelevant as they will be coated but preferring a decent set. What years were these similar ones made? What about the front holes diameter for differing lockouts? Were these the ones that used a "lug clip" to retain? Anyone have a set of four? thanks in advance!