Features Versatile Testing Applications: Ideal for precise circuit testing and power supply connections, enhancing your efficiency with multimeters and other electronic instruments Enhanced Grip and Elasticity: Featuring a robust spring mechanism, the clip securely holds objects in place, ensuring reliable connections during electrical testing Superior Short Circuit Protection: Designed to minimize the risk of accidental short circuits, providing peace of mind while conducting tests High-Conductivity Material: Constructed from pure copper metal sheet for superior conduction rates, ensuring faster and more accurate readings User-Friendly Installation: Built for longevity and ease of use, this hook type test clamp simplifies your setup process with reliable electrical conductivity and resistance Features: 1、Applicability: It is used for accurate circuit testing/power supply. It is a good tool for self connecting a connection with a power supply or a multimeter. 2、Strong Elasticity: There is a spring on the front end of the clip, which is stretchable. The clip of the clip has strong elasticity and can hold the object firmly. 3、Good Protection Performance: It is better to prevent short circuit caused by touching the feet. 4、Material: Pure copper metal sheet, higher conduction rate, welded, built in spring, can firmly hook the test . 5、Easy to Install: Long service life, good electrical conductivity, and resistance. Specification: Item Type: Flat Test Hook Material: ABS, Nickel Plated Brass Purpose: Used For Accurate Circuit Testing / Power Supply Working Frequency: Low Frequency Package List: 4 x Test Hook (Red) 4 x Test Hook (Black) 4 x Test Hook (Yellow) 4 x Test Hook (Blue) 4 x Test Hook (Green) Note: Prevent it from being placed in high temperature to avoid damage Package List 4 x Test Hook (Red) 4 x Test Hook (Black) 4 x Test Hook (Yellow) 4 x Test Hook (Blue) 4 x Test Hook (Green)