Bore Gauge Range Dial 250-400 Mm With Dial Lc 0.001 Mm, Calibration Certificate - Required From Nabl/Npl Accredited Agency. Make-Model 511-826 Of Mitutoyo, Art No 4475003, 844 Na Of Mahr, Mod El No Cg-06 Of Peacock. Supplier Should Submit Purchase Proof From Oem/ Authorized Dealer Along With Sup Ply. [ Warranty Period: 30 Months After The Date Of Delivery ] ]