Handheld Dial Durometer, Range 20 to 90, Graduations 1 HD, Dial Reading 0-100, For Materials Hard Elastomer, Hard Rubber, Hard Plastic, Indenter Shape Sharp Point, Operation Type Mechanical, Scale Shore D, Depth 0.98 in, Functions On/Zero Off, Data/Hold, Height 4.53 in, Indenter Protrusion 0.1 in, Long Form Calibration Certificate No, Standards ASTM D 2240, ISO7619, ISO868, Tip Angle 30 Degrees , Width 2.36 in