Stainless Steel Hook Eye Turnbuckle is designed for tightening or drawing together various lines and cables. These turnbuckles are great for hanging commercial string lights and cables. These are resistant to atmospheric corrosion. They are also nonmagnetic. The eyes of the turnbuckles are passivated for superior corrosion resistance. The hex-shaped body of the turnbuckle allows for ease of adjustment by hand or with a wrench. Made of stainless steel with aluminum body and boxed loose.