Mahr Perthen Perthometer M3A Surface Roughness Tester

Mahr Perthen M3A Perthometer   (2) Probes and Power Supply   Storage Case   Features – Mfg.: Mahr Model Number: M3A Probes: (2) Dial Indicator Batteries: (6) “C” – Not Included Power Pack: 9V – Included Complete as pictured, works well.   Made in USA