SNAP LOCK TECHNOLOGY: No need for a soft loop side; squares snap with a noticeable click, guaranteeing a secure and powerful hold WATER AND UV RESISTANT MOUNTING SQUARES: Secures firmly in extreme weather conditions, sticks to surfaces like vinyl and concrete, and snaps tightly for a powerful hold SECURE HOLD FOR ELECTRONIC DEVICES: With a flush and wobble-free mount, extreme lock squares are ideal for securing routers, cameras, electronic devices; perfect for outdoor signage or attaching a toll transponder to a car’s windshield CRAFTED FOR SEVERE WEATHER CONDITIONS: Suitable for indoor or outdoor use, these heavy-duty mounting squares with adhesive are built to last, maintaining strong staying power in extreme weather from -40°F to 194°F EXCEPTIONAL SEMI-PERMANENT HOLD: Unique hook-to-hook engagement ensures a heavy-duty grip; strong VELCRO Brand squares support semi-permanent mounting of up to 15 pounds, both horizontally and vertically