Check your eligibility criteria for tender Supply of Te Cbc Gauge H- Type Tight Lock Coupler. Technical Specification. Cbc Gauge H- Type Tight Lock Coupler. Technical Specification: As Per Rdsos Specification No. Rdso/2011/Cg-03 Of Oct-2011, Material Tools Steel Is:3748/90, Hardness 50-55 Hrc To Be Supplied With Calibr Ationcertificate From Nabl Accredited Lab For 24 Months. 1 01 No. Counter Maintenance Gauge, Gauge No. 31000 201 No. Aligning Wing Limit Gauge, Gauge No. 32600. 3 01 No. Counter Condemning Limit Gauge, Gaug E No. 34100-1. 4 Knuckle Nose Wear And Stretch Limit Gauge, Gauge No. 34100-2A. 5 Vertical Height Condem Ning Limit Aligningwing Pocket And Guard Arm Gauge, Gauge No. 34101-4. 6 Vertical Height Condemning Limit Alig Ning Wing Pocketand Guard Arm Gauge, Gauge No. 44250-5. Warranty Period: 30 Months After The Date Of Deliv Ery