DESCRIPTION:ELCTONIC DIGITAL OUTSIDE MICROMETERMT1085A:0-25mmx0.01mm(0-1"x0.001")MT1085B:25-50mmx0.01mm(1"-2"x0.001")MT1085C:50-75mmx0.01mm(2"-3"x0.001")MT1085D:75-100mmx0.01mm(3"-4"x0.001")