Handheld Dial Durometer Range 0 to 100 Graduations 1 HA Dial Reading 0-100 For Materials Soft Plastic Soft Rubber Indenter Shape Blunt Taper Operation Type Mechanical Scale Shore A Depth 0.1 in Functions On/Zero Off Data/Hold Height 4.76 in Indenter Protrusion 0.1 in Long Form Calibration Certificate No Standards ASTM D 2240 ISO7619 ISO868 Tip Angle 35 Degrees Width 0.41 in