811-337-10 HH-337 Durometer Type D Compact/Analogue Shore D Durometer HH-300 Series 44 x 18 mmThese compact dial durometers in the Shore D scale can test a range of different materials and offer you the following benefits: You can use them for testing the hardness of the materials including hard rubber, hard plastics, acrylic glass, Polystyrene, rigid thermoplastics, vinyl, cellulose acetate, etc. Specification Model: HH 337 Display: Analog Dial Indenter b: 1,25 mm Indenter r: R 0,1 mm : 30 Pressure foot a: 3 mm Pressure foot f: 44 x 18 mm