Strong fiberglass mesh for toughness. Rigid perforated metal allows extra penetration and adhesion of compound. Rust-free aluminum. Designed for drywall, plaster and other flat surfaces, trouble free results. Easy to apply. Adhesive covers entire back surface for a sure, light bond to area around hole. No. MP4: One 4" patch included. No. MP6: One 6" patch included.
$5.59