THESE ARE FOR THE MK1 MINI WITH THE HINGED NUMBER PLATE CAPTIVE NUTS ARE RECESSED FOR THE MOUNTING OF THE HINGES. CLASSIC MINI SPECIALISTS. BOTH ZINTEC & IRON ZINC MATERIALS ARE EASILY WELDED, WE HAVE BEEN USING THESE MATERIALS FOR OVER 40 YEARS AND FIND THEM TO BE SUITABLE FOR SPOT WELDING AND GAS WELDING.