3M High Strength Large Hole Repair Plate, 4-pack 3M High Strength Repair Plate touts patented technology that flexes and adheres behind the wall for a professional-looking finish. Reduces the need to feather the wall compound out significantly beyond the damaged area, providing a simple and smooth finished repair. Features FLEXES AND ADHERES behind wall for professional professional FOR HOLES 3"-5" in diameter MAKES REPAIRS 5X FASTER when used with 3M High Strength Large Hole Repair Compound REPAIR DAMAGED AREAS on walls and ceilings NO SHRINKING, cracking, or sagging USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.