supply of large diameter three point bore gauge ( digital three point inside micrometer) for measuring range 300-325mm, with resolution of 0.001mm, accuracy-15micro melarge diameter three point bore gauge ( digital three point inside micrometer) for measuring range 300-325mm, with resolution of 0.001mm, accuracy-15micro me,large diameter three point bore gauge ( digital three point inside micrometer) f or measuring range 300-325mm, with resolution of 0.001mm, accuracy-15micro meter similar to model no. xtd-300 of sylvac make, or model no. xt5001m-bt of bowers make or equivalent in mutitoyo, baker, facom only. calibration certificate traceble to nabl to accompany with supplies. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited