3點式內徑千分尺組套產品型號:3PointBoreMicrometerSetsDesignedtoself-centre,foraccuratemeasuringofbores.Extensionrodsformeasuring170mmdeepon11-20mmand220mmdeepon20-40mm.Satinfinish,fittedwithknurledratchetstop.Contents:OXD-335-2490KMicrometers:6-8mm,8-10mm,10-12mm.Calibrationring:8and10mm,8-10mmslottedscrewdrivers,spannersx2,extensionbar.OXD-335-2500KMicrometers:11-14mm,14-17mm,17-20mm.Calibrationring:14and17mm,slottedscrewdriver,spannersx2,extensionbar.OXD-335-2510KMicrometers:20-25mm,25-30mm,30-35mm,35-40mm.Calibrationring:25and35mm,slottedscrewdriver,spannersx2,extensionbar. Range NumberofMicrometers OrderCode6-12mm3OXD-335-2490K---11967.00元/套11-20mm3OXD-335-2500K---5293.00元/套20-40mm4OXD-335-2510K---9281.00元/套