Gem Bids For Measuring, 1.Two Point Bore Dial Gauge Set-D12-13.5Mm, 2.Splitbore Gauge Set-R9.4-20.6-Ext.Rd250, 3.Extension Rod500 For Split Bore Gauge, 4.Dial Rtj Vernier 300Mm-Api 6A, 5.Plane Rtj Vernier 600Mm-Api 6A, 6.Internaldial Caliper 10-30 Mm Lc-0.01Mm, 7.Internal Dialcaliper 5-15 Mm Lc-0.005Mm