supply of set of gauges.set of gauges.,flexible wire gauge for measuring dash pot oil level with marking scale range 10 mm to 50 m m. material: 4mm thick tool steel plate to is 3748/90 hardness 40 to 45 rc. calibration certificate required f rom nabl/govt. approved lab only. ] , gauges for body bogie clearance-c dimension. gauges are to be made of tool steel as per is :3748/90, hardness 45/50-hrc. calibration certificate required from nabl/govt. approved lab only. ] , set of clearance gauges for lhb coaches consisting of :1.secondary vertical bump stop gaug e,2.safety pin and control arm lug clearance gauge, 3. gauge for longitudinal bump stop & traction centre, 4.gauge for lateral bump stop & traction centre. calibration certificate required from nabl/govt. approved lab only. ] , gauges for crown clearance- a dimension.gauges are to be made of tool steel as per is:374 8/90, hardness 45/50-hrc. calibration certificate required from nabl/govt. approved lab only. ] , gauge for side bearer wearing plate. gauges are to be made of tool steel as per is:3748/90, hardness 45/50-hrc. calibration certificate required from nabl/govt. approved lab only. ] , gauges for bogie bolster clearance-b dimension. gauges are to be made of tool steel as per is:3748/90, hardness 45/50-hrc. calibration certificate required from nabl/govt. approved lab only. ] , gauge for side bearer wearing-bronze piece. gauges are to be made of tool steel as per is:37 48/90, hardness 45/50-hrc. calibration certificate required from nabl/govt. approved lab only. ] , bmbc piston stroke gauge. material: carbon tool steel (is:3748/90), hardness:50/55 hrc. siz e: 30mm & 40 mm. calibration certificate required from nabl/govt. approved lab only. ]