Tender For supply of wheel distance measuring gauge as per following specn:- length: 1596 +/- 0.5mm (range 1585 to 1605mm) for meserment . accuracy : 0.1mm through vernier scale. setting : must set 90 degree to the flange . parallelism : to the main axle prospective of track level which should be indicated by the same equipment . material: hard extruted steel tube with 1.2mm thickness.