supply of set of cbc gauges , set of cbc gauges .one set consist of 06 gauges for checking of aar h type centre buffer coupler of lhb coaches as per specifications enclosed. gauges made of hard steel alloy or stainless steel with hardness 45-50 hrc as per attached specifications (i) contour maintenance gauge (knuckle profile gauge): apta drawing/gauge no.31000 (ii) a ligningwing limit gauge: apta drawing/gauge no. 32600 (iii) contour condemning limit gauge (jaw-gap gauge) aptad rawing/gauge no. 34100-1 (iv) knuckle nose wear and stretch limit gauge: apta drawing/gauge no.341002a (v)vertical height aligning wing pocket & guard arm gauge (go gauge-must pass): apta drawing/gauge no.34101-4(vi)vertical he ight condemning limit aligning wing pocket & guard arm gauge (no-go gauge-must not pass): aptadrawing/gauge no. 44250- 5. [ warranty period: 30 months after the date of delivery ] ]