Set of CBC gauges One set consist of 06 gauges for checking of AAR H type Centre Buffer Coupler of LHB coaches. Gauges made of hard steel alloy or stainless steel with Hardness 45- 50 HRC specifications as per annexure attached. Note: NABL accredited calibration certificate with 24 months validity is required along with gauges. Make: GANAPATI OR PIE OR JYOTI