10Pcs Red and Black Insulated Safety Multimeter Test Leads Alligator Clips Electrical Mini Test Crocodile Clamp Clips with 2mm Banana Jack for 2mm Test Probe & 2mm Banana Plug Connectors

There are 2 standard sizes for bannana plugs. There is a 4mm Standard and a 2mm miniture sized Standard. These are simething else. Ihave ni idea what these are intended to plug into. Does anyone know?

The test leads met all of my expectations.

Worked well for my purpose