4 16.5x9.75x8 Rims Fits Bobcat S150 S160 S175 S185 S205 S220 S250

THESE RIMS CAN BE MOUNTED EITHER WAY (VALVE STEM TO THE OUTSIDE OR THE INSIDE). -TIRE SIZE APPLICATION : 12 X 16.5. Snow Removal. Lawn & Garden. -RIM OFFSET OUTSIDE TO CENTER : 4". How do I know my order was placed successfully?.