Flatirons Disc Set of Four 4 Inch Adhesive Plate Hangers and OOK Readynail 10lbs. Picture Hooks (6 Hooks in Package) - Bundle of 2 Items Bundle of two items: Four 3 inch Flatiron Disc plate hangers and unopened 6 pack of readynail 10lbs. picture hooks Easily remove discs without damaging plates Eliminates ugly hooks, clips, and wires Never lose another nail with readynail brass plated hooks and nails Tested and proven for more than 40 years. In addition, the Flatirons Disc Co. provides regular stress testing of the hangers imported from the United Kingdom.