Shore A - Shore D Durometer	HPSA/SD
Shore A Durometer for rubber parts Shore D Durometer for plastic parts Operation is as easy as pressing the spring-loaded knurled aluminum shell down to the red line

Yarn Package Hardness Tester	HP Series
Constant-pressure indicating system assures uniform test pressure eliminating false readings due to differences between operators Operation is as easy as pressing the spring-loaded knurled aluminum shell down to the red line