Description of Precision at its Best with OMGAI Standard Outside Micrometer Mechanist
★ This thread gauge measures the outside thickness or the diameter of small parts. ★ Range: 0-25mm, Graduation: 0.01mm. ★ Strong steel frame, corrosion-resistant finish, solid protective case. ★ Ideal for Mechanist, technician, engineers and scientists to make accurate and precise measurement. ★ A perfect teaching tool for teacher.