Product Name: Test Cable;
Design: 4mm Banana Probe;
Application: Testing Work
Main Wire Dia: 4mm/0.16";
Male Banana Pin Dia: 5mm/0.2"
Banana Outer Size: 5.6 x 1cm/2.2" x 0.4"(L*Max.D);
Total Length: 1m /3.3ft

4.0mm Banana to banana lead cable can be used in electrical or laboratory electric testing work

4.0mm Banana to banana test lead cables are frequently used in school physics laboratories to quickly and cheaply assemble circuits.

They are useful for connecting components to wires.
Easy for installation and safety for use with the insulation plastic boots covered