Features 1、Stainless Steel Spring: The electric clip uses a stainless steel spring, which is full of clamping force, and the tail can be welded with 4mm wire 2、Good Insulation: The electric clip has insulation, the jaws of each test clip can bite firmly, and the clamping is strong 3、Steel and ABS Material: The electric clip is made of steel and ABS material to ensure wear resistant and durable, long term use without deformation 4、Convenient and Practical: The electric clip set connects compatible electrical testers to test equipment for measuring a wide range of current, voltage and resistance 5、Scope of Application: The clip has moderate elasticity, and is mostly used as a car battery clip and charging clip, and can also be used for experimental tests and wires Specification Item Type: Electric Clip Material: Steel, ABS Model: J.60054 Use: Electricity Test Maximum Current: 30A Opening Size: Approx. 23mm/1.0in Package List 5 x Red Electric Clip 5 x Black Electric Clip