196B1 is a ratchet micrometer manufactured by Starrett, a precision measuring tool and instrument manufacturer. The 196B1 ratchet micrometer has an up to 1” range and 0.001” or 0.0001” graduations, depending on the model, and is designed to precisely measure within these ranges with a high degree of accuracy. This tool offers a no-glare satin chrome finish, ratchet stop and lever lock, digit counters, and a knurled, interchangeable thimble. The 196B1 ratchet micrometer is ideal for measuring on all types of irregular surfaces, with a spindle travel of 1/2”. It is commonly used in the aerospace, manufacturing, and medical industries.