Supply of Set Of Air Spring Height Gauges Go & No Go As Per Ref. Drg. No. Sk-Asg-1/2019. Gauge M Aterial - Tool Steel To Is 3748/90, Hardness- 50/55 Hrc. Supply Is Acceptable Only With Calibration Certificate. D Etailed Technical Specifications Attach As Annexure-A. Acceptable Makes: M/S Pie -Roorkee, M/S Lakshmi Engi Neering Works -Roorkee, M/S Baker-Pune, M/S Ganpathy-Coimbatore. Warranty Period: 30 Months After The Date Of Delivery