Suitable Size: these keyhole hanging fasteners measure about 1 inch long with a top diameter about of 0.83 inch (approximately the size of a coin); Please ensure this size fits your requirements before purchasing Quality Material: crafted from zinc plated utility hooks, these wall mounts are solid, strong, and designed to accommodate up to 30 lbs; They are suitable for suspending medium sized frames, artwork, mirrors, and other wall decor Easy Installation: installing these keyhole hangers is effortless; Simply insert and secure the screws into the anchors' holes and hang your photo frame or mirror on the wall; The provided screws a solid fixture in the wall, preventing any loosening or slipping Versatile Use: these steel utility hangers are suitable for displaying medium sized artworks on various wall surfaces; They are grade picture hangers, trusted and employed by museums and art galleries worldwide Versatility: These steel utility hangers are suitable for hanging medium sized artwork on various walls. Highly and widely use museums and art galleries. Effortless installation: Installation of these keyhole hangers is a breeze. Simply fix the screws into the anchors' holes and hang your artwork or mirror no worries about loosening or slipping thanks to the solid wall fixture. Colour:As shown Material:Metal + Plastic note: Small parts included, please keep them away from little kids to avoid swallowing risk. The actual product may have slight color difference or difference, which will not affect the use Package Contents: 40 * strong wall hooks 40 * white anchors 40 * robust screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.