3 gang 2 way 400w dimmer screwless steel the varilight screwless is a modern range of decorative switches and sockets that offer a modern alternative to traditional flatplate ranges it benefits from having the fixing screws concealed under the plate and with no visible inserts on the switches it gives a very professional appearance available in both brushed steel and polished chrome and with a range of data and power grid options available it can be tailored to your job requirements