PTC Instruments Model 409 Ergo Style Analog Durometer ASTM Type D 0-100

PTC Instruments Model 408 Analog Ergo Style Durometer ASTM Type A

PTC INSTRUMENTS Model 409 Type D ASTM D2240 Ergo Analog Durometer

PTC Instruments Type A Durometer Model 307L

PTC Instruments Model 408 Ergo Style Analog Durometer ASTM Type A 0-100

Slightly Used PTC INSTRUMENTS Model 412 ASTM D2240 Ergo Analog Durometer

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