FLUKE Test Probes, 60V DC Safety Category, 2mm Connector - TP88
They're rigid back pins that slide onto 2mm probes and are used to make contact with a circuit or component for testing or measurement purposes. You'll find them used in the calibration of automotive electrical systems, such as sensors and ignition systems. The sharp, pointed tip can easily penetrate insulation, so you can be sure of accurate and consistent measurements.

Features & Benefits:
• Insulated pin protects against short-circuiting
• Safety category voltage of 60V provides safety against electric shocks
• Black and red colours are easy to identify