Knuckle Nose Wear & Stretch Limit Gauge (Gauge -No-04) As Per Camtech/M/2011/Tr . Parting/1.1, Material Carbon Steel, Hardness -40/45 Hrc & Supply With Calibration Certificate From Nabl/Govt. Approved Laboratory With Minimum One Year Validity, Make: Ganapathy Industries Or Paragon Instrumentation Engineers Pvt. Ltd Or Prasad Engineering Technologies Pvt Ltd O R Similar [ Warranty Period: 24 Months After The Date Of Delivery ] ]