Secure demanding mounting tasks with the 3M Scotch Extreme Mounting Squares Heavy-Duty Value Pack. This 36-count collection of 1-inch black fasteners utilizes advanced reclosable dual-lock technology to deliver immediate, permanent adhesion without tools or fasteners. Each set supports up to 2 lbs, with individual squares rated for substantial loads. Built for durability, these squares resist weather, UV exposure, and dirt while maintaining reliable performance on varnished wood, bare metal, drywall, plastic, and sealed concrete. The pressure-sensitive acrylic adhesive enables effortless application indoors and outdoors, making them ideal for mounting signage, organizational systems, and decorative elements. With up to 1,000 reclosable cycles per square, this value pack delivers dependable, long-term holding power for both residential and commercial applications.