supply of set of 06 gauges for checking of aar -h type center buffer coupler . all gauges are made of hard alloy steel and hardness 45-50 hrc with nickel plating & laser marking. one set consisting of following gauges: (1) contour maintenance gauge (2) aligning wing limit gauge (3) contour condemning limit gauge (4) knuckle nose wear and stretch limit gauge for checking cbc-h- type coupler (5) vertical height aligning wing pocket & guard arm gauge (6) vertical height condemning limit aligning wing pocket & guard arm gauge (no-go gauge must not pass) for checking cbc-h type coupler .(warranty: minimum 12months)set of 06 gauges for checking of aar -h type center buffer coupler . all gauges are made of hard alloy steel and hardness 45-50 hrc with nickel plating & laser marking. one set consisting of following gauges: (1) contour maintenance gauge (2) aligning wing limit gauge (3) contour condemning limit gauge (4) knuckle nose wear and stretch limit gauge for checking cbc-h- type coupler (5) vertical height aligning wing pocket & guard arm gauge (6) vertical height condemning limit aligning wing pocket & guard arm gauge (no-go gauge must not pass) for checking cbc-h type coupler .(warranty: minimum 12months),set of 06 gauges for checking of aar -h type center buffer coupler . all gauges are made of hard alloy steel and hardness 45-50 hrc with nickel plating & laser marking. one set consisting of followin g gauges: (1) contour maintenance gauge (2) aligning wing limit gauge (3) contour condemning limit ga uge (4) knuckle nose wear and stretch limit gauge for checking cbc-h- type coupler (5) vertical height al igning wing pocket & guard arm gauge (6) vertical height condemning limit aligning wing pocket & guar d arm gauge (no-go gauge must not pass) for checking cbc-h type coupler . (warranty: minimum 12mo nths) supply should accompany caliberation certificate traceable to national standard/npl standard. [ war ranty period: 12 months after the date of delivery ] ] => lim