Measure the indention/penetration hardness of plastics, rubber and thick film coatings in the laboratory, shop or field according to ASTM D2240 using the PTC Durometer Hardness Tester. One hand opreation and an easy-to-read hardness indicator dial with a red sweep needle make this tester very field friendly. The portable, lightweight, precision, hand-held Durometer can even be used in confined spaces, since there are no batteries and no sparking hazard. Two Shore A hardness models and two Shore D hardness models are available. Durometers are sold complete with carrying case and test block. Made in the USA.