Feature: 1. Brass Material: The electric clip is made of brass material, which is wear resistant and durable and has a long service life 2. Electrical Conductivity: The electric clip has good electrical conductivity, thermal conductivity, corrosion resistance and ductility 3. Current and Voltage: The electric clip current is 30A, the voltage is 1000V, the opening size is 20mm, and the inner diameter of the rear hole is 4mm 4. Safe and Reliable: The electric clip can weld and crimp the wire, with practicality and high safety and reliability 5. Scope of Application: The electric clip is clear in color, easy to use and connect, and can be used for power testing, experimental testing of electronic and electrical circuits, etc Specification: Item Type: Electric Clip Material: PVC, Brass Model: J.60050 Uses: Power Test, Electronic and Electrical Circuit Experimental Test, Etc. Current and Voltage: 30A/1000V Opening Size: Approx. 20mm/0.8in Inner Diameter of Rear Hole: Approx. 4mm/0.2in. Package List: 5 x Red Electric Clip5 x Black Electric Clip