SUITABLE:For Table-top, floor, and pendant use as well as many other applications, include wiring fans and small appliances. MATERIAL: Green Brass, Yellow Brass, Black, Copper Threaded Cord Grip - Great For Cloth Covered Wire! TOP QUALITY:100% satisfaction guaranteed.Use these handy pieces to not only give your fixture a beautiful finished look, but also add a great safety feature to your hanging pendants and other weight-bearing light fixtures. EASY TO USE:Just screw it into existing fixture, it looks like a part of the socket and at the same time it will relieve the tension from the connection.