1、Double Ended: Each test line has alligator clips at both ends, and each set of ends has 2 colors of alligator clips to help you work at the proper distance. 2、PVC Material: This electrical alligator clip is made of high grade PVC material, safe and reliable, with strong elasticity. The surface is plated with a glossy finish. 3、Strong Spring: The alligator clip has strong spring, strong connection, good conduction, and can slide back and forth flexibly to adjust the exposure of the clip. 4、Safe and Reliable: Dual ended alligator clips will not cause crossed or shorted wires. It can be used in laboratories, stores, schools, homes and industries. 5、Applicable: Alligator clips test leads are widely used in laboratories, electrical testing, such as experiments, circuit boards, prototyping, troubleshooting, etc.