VINTAGE PTC INSTRUMENTS 307-L TYPE D DUROMETER UNTESTED

PTC Instruments 307 Durometer w/ case

PTC Instruments 306L ASTM Type A Analog Durometer Gauge w/ Case

PTC Instruments Model 408 Analog Ergo Style Durometer ASTM Type A

PTC Instruments Type A Durometer Model 307L

PTC Instruments 306L Type "A" Scale Durometer

Slightly Used PTC INSTRUMENTS Model 412 ASTM D2240 Ergo Analog Durometer

PTC instruments DUROMETER, ASTM TYPE A, MODEL 306 with box