Bolt pattern is 8 lug on 6.5" centers. Fits Chevrolet, GM, Ford, Dodge 3/4 ton, and 1 ton trucks.
Tires don't have many miles on them, specs as follows:
Drive tires are Firestone Transforce HT, Load range "E" (good for 3195 Lbs / tire) size is a 9.50R16.5LT. The Steer tires are Kumho Road Venture HT, Load range "D" (good for 2835 Lbs / tire) also in a 9.50R16.5LT. They're on 4 aluminum rims, (which could use a clean / polish) and have the 4 stainless center caps to go with.