543-302 Mitutoyo Peak Hold Indicator .5" Lug Back
543-302B Mitutoyo Peak Hold Indicator .5" Flat Back
543-342B Mitutoyo CALC Indicator .5" Flat Back
543-592B Mitutoyo CALC Indicator 1" Flat Back
543-596B Mitutoyo CALC Indicator 2" Flat Back
543-597B Mitutoyo CALC Indicator 2" Flat Back