supply of digital three point internal micrometerdigital three point internal micrometer,digital three point internal micrometer similar to mitutoyo make code no.468-973 to range 20-50mm, accuracy 0.001mm with setting rings of 20,25,28,30 and 50mm along with necessary calibratio n and warranty certificate. the calibration should be from nabl/nabl traceable laboratory. oem/authorized dealers only to participate with valid documentary evidence. without oem/dealership certificate, the offer could not be evaluated. the warranty period of the item is minimum 12 months. [ warranty period: 30 m onths after the date of delivery ] ]