This stainless steel plastic coated finger-friendly high strength corrosion resistant stainless steel is perfect for many jobs. It is soft, flexible, fray resistant and easy to twist, which makes it great for hanging pictures.Details:Plastic coated stainless steelHolds up 43 lb.500 feet in lengthIdeal for professionally tying pictures, mirrors and canvasPlastic coating helps keep hands clean and protects fingers from injury