Cbc Gauge. H-Type Tight Lock Coupler. Technical Specification As Per Rdso Specification No R Dso /2011/ Cg-03 Of October 2011 Material Tools Steel Is: 3748/9090, Hardness 50-55 Hrc, To Be Supplied With Calibration Certificate (From Nabl Accredited Lab) For 24 Months. I) 01 No Contour Maintenance Gauge, Gauge No 31000 Ii) 01 No Aligning Wing Limit Gauge, Gauge No 32600 Iii) 01 No Contour Condemning Limit G Auge, Gauge No 34100 Iv) Knuckle Nose Wear And Stretch Limit Gauge, Gauge No 34100-2A V) Vertical Heig Ht Condemning Limit Aligning Wing Pocket & Guard Arm Gauge, Gauge No 34101-4 Vi) Vertical Height Conde Mning Limit Aligning Wing Pocket And Guard Arm Gauge, Gauge No 44250-5. Make: Ganapathy Or Similar [ Warranty Period: 30 Months After The Date Of Delivery ] ]