Concrete Micrometer

Designed for accurately measuring diameters of concrete cylinders, micrometer has spindles of hardened steel. Thimble and sleeve sections are chrome finish and have black graduations and numbers. The H-2938 has a range of 5.5″ to 6.5″ and the H-2938M has a range of 150-175mm. Readings can be made to hundredths or thousandths in decimals.