Set Of Setting Rings For Snap Gauge Required For Measurement Of Outer Diameter. One Set Co Nsists Of 08 Nos. Range Of Setting Rings Are 179Mm, 100Mm, 214Mm, 150Mm, 259Mm, 215Mm, 169Mm, 9 4Mm. Material Should Be Supplied Along With Calibration Certificate. [ Warranty Period: 30 Months After T He Date Of Delivery ] ]