The Wheel Mate hub-centric adapter is a single 6x139.7 spacer measuring 1.5 inches thick, intended to adapt wheel fitment where that bolt pattern and thickness are required. The description gives bolt circle and thickness so installers can verify clearance and hub centric alignment for safe mounting and proper wheel-to-hub seating.
Wheel Mate 6x139.7 1.5in Thick Hub Centric Adapter - Single