The Magnetic Screwless range of decorative wiring accessories were designed with form and function in mind. They boast a 25 year guarantee, removable magnetic front plate which avoids installation damage, hassle free decorating so no need to remove from the wall, they fit in to standard back boxes using 4mm cable for ease of installation, they have large clearly marked terminals with captive screws allowing quick and easy installation, top accessc terminals on sockets, dicreet gasket to protect from damp plaster, low profile design with hidden screws. .