Recessed Prewired Surface Style Poke-Thru Assembly Designed to be installed in a concrete floor which has access in the ceiling of the floor below for running power, data and A/V services. Poke-thru device installs into a 6 (152mm) to a 6 1/8 (155mm) diameter hole. The unit comes complete with a surface style cover and two (2) prewired, pre-installed duplex receptacles that are recessed 4 (102mm) below the floor surface level. Surface style cover is an aluminum cover that is designed to sit on top of finished floor surfaces, such as carpet, tile, wood, polished concrete or terrazzo. Finish Satin Nickel plated.