Alligator Clips - TOOGOO(R) 2Pcs Double End Alligator Clips Test Lead Jumper Wire 1.5m 2 Color Alligator Clip Test Lead can be used in electrical or laboratory electric testing work. Alligator clips are frequently used in school physics laboratories to quickly and cheaply assemble circuits They are useful for connecting components to wiresEasy for installation and safety for use with the insulation plastic boots covered. Crocodile Alligator clips can be used as miniature clamps to hold parts together for gluing and wires together. Color coded leads allow you to test circuits without crossing wires or causing shortsCan be used as low voltage jumper leads.