Feature: 1. Five Colors: A total of two sets, each set of five clear colors, help to quickly identify the purpose of the cable and improve the time efficiency. 2. Durable Material: The U type wire connector is made of pure copper nickel plated, low loss, durable and rust resistant. PA shell have a long wear life. 3. Professional Design: 4mm pitch U shaped plug with 4mm jacks at the end, which can be plugged into all 4mm sheathed or non‑sheathed 4mm jacks. 4. Excellent Performance: The U type wire connector electrical crimp terminal features high quality electrical performance, durable and strong applicability. 5. Wide Applications: The heavy duty U type spade wire connector is extensively suitable for testing, multimeters, electronic applications and so on. Specification: Item Type: U Type Wire Connector Material: Pure Copper + PA Application: For testing, multimeters, electronic applications Connection Mode: Transfer Color: Red, yellow, blue, green, black Jack Diameter: Approx. 4mm/0.2in. Package List: 2 x Yellow U Type Wire Connector2 x Blue U Type Wire Connector2 x Green U Type Wire Connector2 x Red U Type Wire Connector2 x Black U Type Wire Connector