Industrial-strength extreme fasteners feature an all-weather, UV-resistant adhesive for reliable use on rough surfaces, including concrete & certain types of brick. Superior holding power meets the requirements of demanding applications without drilling, nails, screws or epoxy. Versatile construction can be used indoors or outdoors in temperatures between 0 degrees Fahrenheit to 150 degrees Fahrenheit. Easy-to-use design requires you to simply peel off the adhesive backing for immediate attachment.