2pcs/lot Micrometer differential head 0-6.5mm micrometer head 0-13mm fine tuning nut micrometer 0-25mm 0-50mm measuring head ,Long Lasting

Classification of micrometer head range: 0-6.5 mm, 0-13 mm, 0-5 mm, 0-50 mm Appearance classification has a round head, flat head, round head with screws, screw thread flat 0-25 without thread have 0,12.7 mm installation position, the default send 12.7 mm; 0-25 with screws installed a M12x1 package: 2pcs/lot (1-17 types, leave a message to tell what you need digital type.)