supply of set of cbc guage & set of gauges for checking cbc , set of gauges for checking cbc, knuckle and other part to tightlock coupler h-type to rdso spec. no. rdso.2011/cg-03 of october2011.one set consisting of 06 gauge & reference as per apta drawi ng type of gauge as follows:- (1) contour maintenance gauge (knuckle profile gauge), apta ref. drg. no.31 000-01 no./set (2) alignment wing limit gauge , apta ref. drg. no. 32600-01 no./ set (3) counter condemn ing limit gauge , apta ref drg. no.34100-1-01 no./set.[4] vertical height alignment wing pocket and guard arm gauge (go gauge), apta ref. drg. no.34101-4- 01 no./set.[5] knuckle nose wear and stretch limit gau ge ,apta ref. drg. no.34100-2a- 01 no./set. (6) vertical height alignment wing pocket and guard arm gaug e (no go gauge), apta ref. drg. no.44250 -5 - 01no./set. supply is with calibration certificate traceable to national standard / npl standard, not of any other agency.master are calibrated by nabl approved labs. m ake: pie or similar in best quality for industrial use . accepted brand:ganapathy chennai,pie,ftil apta g auge for cbc h type coupler set of 6 items [ warranty period: 30 months after the date of delivery ] ] , set of cbc guage for checking knuckle and other parts in e type coupler [ warr anty period: 30 months after the date of delivery ] ]