This is a test clamp/clip for the logic analyzer. The clips are soldered with DuPont line. Easy to use.
They are very convenient for Arduino/breadboard prototyping / Raspberry pi/ Orange pi/ Makey Makey project or other DIY connections, Maker experiments, engineers LAB testing, as well as can be soldering as you wish.

Specification:
Length: about 23cm(Cable length 20cm)
Colour: red/black
Material: Silicone Copper