3M SGY Twist-On Wire Connector, 18 to 10 AWG Wire, Polypropylene Housing Material, Yellow

3M™ Secure Grip wire connectors are designed to give you dependable performance for a wide range of residential and commercial wiring jobs. An internal, insulated spring delivers a powerful grip for secure, solid connections that are made to last. The slip-resistant ridges and straight wing design make installation fast, simple and easy-on fingers.