103-130 Micrometer, Mechanical, Outside Type, 25-50mm, 0.01mm, Ratchet Stop
Economy type with carbide tipped anvils. Enamel Framed. Flatness: 0.6mm for up to 300mm 1.0mm for up to 300 - 500mm Parallelism: 2+(L/100)mm (fraction rounded down). L = maximum measuring length. Metric - Ratchet Thimble