1 pair METAL ROLLER Window Shade UNIVERSAL MOUNT LOCKING BRACKETS from Shade Doctor of Maine Use with METAL ROLLERS with 3/8 inch spring tab & 3/16 inch pin. Locks shade into place! Perfect for Doors! May be used for an inside, outside or ceiling mount installation! Mounting SCREWS included. (Much better than nails) Great for TOP-DOWN/BOTTOM-UP Roller Shades!