Check the listing for details. Drywall Repair Kit,19.74OZ,2 Pack Wall Mending Agent. (A-1). Condition: New. Listed at 12.00 USD. The Drywall Repair Kit is a 19.74 oz two-pack of wall mending agent specifically designed for repairing drywall. With a fire rating of A1, this repair kit is suitable for various home improvement projects involving wall repair. The kit provides everything needed to effectively repair and patch drywall surfaces, making it a convenient and essential tool for any homeowner or builder looking to maintain the structural integrity of their walls.