This is an optional Pair of Schumacher Cougar LD3 4mm Alloy Wheel Hex's.
Schumacher modern wheel hexes for the LD3/L1R,PB are nominally 6mm, we reference this as 0mm (Zero).
So a wider 7.5mm hex is referenced as +1.5mm.
A narrower 4.5mm hex is referenced as -1.5mm.
