Starrett 4 1/2" Lock-Joint O.D. Caliper *MINT*

Description

Starrett 4 1/2" divider outside diameter. Excellent condition, clean no engravings.
Adjusting screw permits fine adjustment for very accurate measurements : Knurled adjusting nut allows for final adjustment after the legs have been set to approximate size and the joint has been locked : High-grade steel is rugged : Spring washer under the disc to maintain proper tension of legs when joint is loosened : Curved tips to transfer the measurement of the external size of an object.