Next Episode of " Name these Parts !"

Yes. ET unilug. They use a special washer and a short shank lug with a 60 degree seat that registers in the washer. The center hole washers are for a 4-3/4 bolt circle and the offset hole washer is for using 4-1/2 or 5 inch bolt circle. What size are the wheels? They look like 15 X 7.5.