3M-Scotch Restickable Dots. Never use magnets or tacks again! These double-sided adhesive dots are great for mounting and securing objects. They are reusable, remove cleanly, and will stick to most flat surfaces including stainless steel, plastic, concrete, glass, wood, painted walls, and more. Each one has a 7/8 inch diameter and will hold up to 0.15 pounds. This package includes eighteen clear dots. Photo safe. Made in USA.