High-quality Material: This fork connector is made of high-quality red copper and PA material, offering high strength, age resistance, robustness, and durability. Standard Size: The fork wire connector has a 4mm jack tail, compatible with all 4mm jacketed or unjacketed 4mm jacks. Excellent Performance: This U-type electrical crimp terminal boasts excellent electrical performance, ensuring stability and reliability. Easy Installation: Easy to install; simply plug and play no complex operation required for convenient use. Wide Application: These fork-tip wire connectors are suitable for testing, multimeters, and electronic applications. Item Type: Fork Wire Connector Material: Red Copper, PA Purpose: Suitable for testing and multimeters, electronic applications Rated Voltage/Current: 30Vac-60Vdc/Max. 36A Connection Mode: Switch U-type Insertion Opening Size: Approx. 4mm/0.16 inch Jack Diameter: 4mm Package includes: 10 x Fork Wire Connectors