Phase II+ Portable Ultrasonic Hardness Tester w/ 5kgf Probe (Manual), #PHT-6005 Miscellaneous Tools they actually have 4 cutting

they actually have 4 cutting edges

Brinell or Vickers hardness tester

10 ps of #2001-0005

Reference the attached images for visual guidance

Collet Capacity

Phase II+ Portable Ultrasonic Hardness Tester w/ 5kgf Probe (Manual), #PHT-6005 Miscellaneous Tools they actually have 4 cuttingUltrasonic Portable Hardness Tester Non Destructive! Portable Rockwell Hardness Tester Ultrasonic Portable Hardness Tester Shipped directly from PHASE II+ in NJ, USA Model No. PHT 6005 Part of the PHT 6000 Series Features Latest portable hardness tester technology. Utilizes both ultrasonic and dynamic type portable hardness testers in one unit. Can test non destructive and handle small or thin work parts down to 2mm of thickness, as well as testing