PTC Instruments Model 307L Type D Durometer UNIT ONLY

Vtg PTC Rubber Hardness Gauge - Model 302 Durometer Complete In Case W/ Manual

Pacific Transducer 408 Type A Portable Hardness Tester - Hand-held Durometer

Shore Durometer

PTC Instruments Model 306L Type A Durometer With Case

PTC Instruments Model 408 Shore A Durometer Hardness Tester w/ Case & Block

Rex Model 1000 Mini-Dial Durometer Gauge with Leather Case EDP 12504C-REX

XF Durometer Tyre Rubber Hardness Tester - Never used in Original Box