【Cable Length】Approximately 50cm 【Wide Application】Electrical testing work in laboratories such as experiments, breadboarding, prototyping, and troubleshooting. It can be used in laboratories, shops, schools, homes, and industries. 【Different Colors】Black, white, red, yellow, green / 2 of each color. Very convenient for experiments in the classroom. 【Non-slip & Strong】Alligator clips made of nickel-plated steel with strong springs and solid connections are ideal for circuit connections/electrical testing and are suitable for various digital multimeters (should work with multimeters and multimeter probes).