Supply Guru SG1266 Sawtooth Picture Hangers with Nails, 5 Pcs (Small) Nailed-on installation to eliminate need for pre-drilling screw holes in frame Great for small and lightweight picture frames Can be used on drywall, wood paneling, and similar surfaces Useful for mirrors, canvas, and wooden frames that do not come with hardware or to convert tabletop frames to wall frames No more leaning pictures or visible hooks and hardware!