NOS New/Unused Vintage SAM 5mm fixed socket wrench, made in France for Weinmann 500 brake calipers.  The pivot adjustment has a 5mm hex stud that used these wrenches for pivot bolt adjustment.  This wrench was often included in the box with applicable 70s Motobecane model bicycles.    Buyer to pay $5.00 USPS Ground Advantage shipping with tracking.  Buyers outside the Continental US to use Ebay's International Shipping.  Thanks for looking!