Features: 【Application】Used in electric circuit, battery-powered projects, electrical or laboratory electric testing work. They are useful for connecting components to wires. 【16PCS Double-ended Test Leads Set】Equipped with alligator clips at both ends of each test lead to securely ensure good conduction. The clips are soldered and stamping to the wires which offer low resistance and high sensitivity. 【Superior Quality】This test leads kit is made of silicone double insulated while the clips is by nickel plated steel with PVC insulators, which is durable, non-toxic, flexible, and resistant to freezing and heat. .