The Wheel Fit™ Professional 45 will fit most all 4- and 5- lug vehicles including bolt circles ranging from 4-100mm up to 4-130mm and 5-100mm up to 5-135mm. Larger 5-lug bolt patterns will require the Wheel Fit™ Professional 56 kit or the Wheel Fit™ Ultimate kit with both faceplates to fit most all 4-, 5-, and 6-lug vehicles. 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