Description These items are set of kind of invisible photo frame back hangers, made of durable cold rolled steel material, durable and practical, not easy to rust and deform, with good hardness and high performance. Simple and easy to install and dissemble, with large quantities for your different needs, suitable for mirror, picture frame, photo frame and more. Features -Color:Silver. -Material:Cold rolled steel. -Size: About4.50X1.60X0.12cm/1.77X0.63X0.05inch. -Mainly made of durable and reliable materials, safe and practical for a long time use, with sturdy structure. -With the smooth surface and good texture, compact in size, convenient and easy to install. -Widely fits most items at home or office, suitable for hanging frame, mirror and other decors. -The excellent production process makes them have good stability and will not fall off easily. -Professional and practical design with simple appearance, not easy to rust and deform.Package list: 40 x Photo Frame Hangers 80 x Screws