3M Wall Repair Max Strength Spackle Tub helps homeowners, renters, landlords and maintenance teams repair 3–5 inch wall damage in homes, offices, schools, dorms and rental properties. This fiber reinforced spackle is designed for drywall, plaster, stucco, fiber cement siding, and concrete repair on interior and exterior surfaces. The tub format supports easy handling, scooping and smoothing, and includes a storable putty knife on the tub for added convenience. The lightweight formula resists shrinking, cracking and sagging, sands smoothly and works with primer and most paints for paint-ready wall repair.