3M RP6IN-1PK Repair Plate, 6 in x 5.5 in x 0.125 in

The 3M Large Hole Repair Backer Plate is designed to use with 3M Wall Repair Fiber Reinforced Compound. This is an innovative large hole repair product that allows every DIYer to fix their walls like a professional. Using this new behind-the-wall system and fiber reinforced compound allows an easy fix for holes ranging from 3 in. to 5 in.