Best in 7 days 0-0.02″ Mechanical Micrometer Head Graduation 0.000005″ 0.02" Flat with Clamp Nut Extra-Fine Feeding Mechanical Micrometer Head (Thimble Diameter: Dia. 21mm, Spindle Diameter: Dia. 8mm, W/Vernier) Mitutoyo-110-116 US$ 111.35 Sold : Login>>