FOWLER® SHORE D PORTABLE DUROMETER FOWLER’S PORTABLE DUROMETERS ARE JUST RIGHT FOR TESTING THE HARDNESS OF FLEXIBLE MATERIALS SUCH AS RUBBER AND PLASTICS. THESE GAGES CONFORM TO SHORE SCALES. MANUFACTURED IN ACCORDANCE WITH DIN, ASTM, ISO AND JIS SPECIFICATIONS. INCLUDES REFERENCE TEST BLOCK, OPERATING INSTRUCTIONS AND FITTED CASE. SHARP 30° POINT DUROMETERS ARE IDEAL FOR TESTING HARD RUBBER, HARD SYNTHETIC MATERIALS, E.G. ACRYLICS, GLASS, POLYSTYROL, THERMOPLASTICS, PRINTING ROLLS, VINYL SHEETS, CELLULOSE ACETATES, DENSIFIED WOOD, ETC.