tender for set of following clearance gauges for lhb coaches: 1. secondary vertical bump stop gap gauge(lg01) 2. safety pin and control arm lug clearance gauge (lg-02) 3. gauge for longitudinal bump stop&traction centre(lg-03) 4. gauge for lateral bump stop & traction centre (lg-04); ref. drg. no. cd/bbs -319006. material : tool steel is : 3748/90, hardness : 50/55 hrc, supply with calibration certificate from nabalapproved test lab house, valid for one year.