Supply Of Ring Gauge For Pinion Of Wag-9/wap-7 Locos, Reference Rdso Drawing No. Skel - 5043, Alt -0 Including Ring Gauge For Taper 1:50 As Per Ref 01 & Ring Gauge For Taper 1:25 As Per Ref 02 Note: Supply Of Ring Gauge With The Following Items 1 Pulling Extractor For Easy Removal Of Ring Gauge From Shaft Pinion 2 Gauge Go & No Go Size: 15.0 Mm +/- 0.30 With Calibration Certificate From Nabl Accredited Lab..