Reusable Hooks - Square Mini Reusable Hooks - 3 mini hooks and 1 Medium Hook, plus one additional mini back for next use. Mini hooks are 1 1/4 x 7/8 x 5/8". Medium hook is 1 1/4 x 1 x1". Safe adhesive. Easy to hang and remove. Leaves no marks. Great for hanging keys, jewelry, wall art, calendars, clocks and decorations. For best results, mount on glass, tile, wood or metal surfaces. Another great Home Solutions item by Great Lakes Select. 72 master pack. 24 inner pack.