what size wheels are they 15,16,16.5,19.5,20" what year, what type of truck, they used all of these with split rims also what type of lug nuts ,flat, tapered ,some have a mounting plate to hold the wheel on,5/6/8/10 bolts holes, do the wheels have a spacer between them ,if they do there Dayton wheels with wedges holding the wheels in place?