supply of shank height with wear plate gauges, shank length gauge, shank lengthshank height with wear plate gauges, shank length gauge, shank length,shank height with wear plate gauges (go and no-go) as per rdso drg.no. wd-840 73-s-21 rc alt.03, of hardened stainless steel with engraving of drawing no and description. firm shoul d supply calibration certificate from nabl /govt. approved laboratory make: ganapathy, prasa d, pie , aoge ] , shank length gauge (transition) as per rdso drg no- wd-84073-s-26-rc of hardene d stainless steel with engraving of drawing no and description & firm should supply calibration certi ficate from nabl /govt. approved laboratory make: ganapathy, prasad, pie , aoge ] , shank length (non-transition) gauge to drg. no. wd-84073-s-22-rc of hardened sta inless steel with engraving of drawing no and description (fig.- 12 of g- 80 technical pamphlet) for ac ceptance of reconditioned cbc. calibration certificate from nabl approved lab make: ganapa thy, prasad, pie , aoge ]