The Wheel Fit™ Ultimate contains both faceplates to fit most all 4-, 5-, and 6-lug vehicles, including bolt circles ranging from 4-100mm up to 4-130mm and 5-100mm up to 5-135mm. It fits most all 5- and 6- lug vehicles, including bolt circles ranging from 5-5 up to 5-150mm and 6-4.5 up to 6-5.5. This kit will extend from 14" - 20" in tire bead diameter. It will also extend from 6.5" - 16" in width. Backside setting is completely adjustable within the constraints of the tool. A ruler mark is engraved on the side of the tool to indicate backside setting and width measurements.