Kit features DryDex® Spackling with DryDex® indicator and all of the tools needed to complete a wall-patching project. This kit may be used to repair holes up to three inches in diameter in drywall, plaster or masonry surfaces. The Spackling features a unique dry-time indicator that verifies when the patched surface is ready to be sanded and painted to avoid finishing errors. Included in the kit are: 1 to 8 Fl. Oz. tub of DryDex® Spackling; 1-4 In. x 4 In. flexible, self-adhesive perforated aluminum patch; 1-4 In. x 3 In. piece of 100 grit sand paper; and 1 to 2 In. ergonomic plastic putty knife. For interior and exterior projects.