The Lew Electric SWB-2-LR is a recessed floor plate with brass flip lid cover, single gang stamped steel box and adjusting sleeve. Inside the floor box is a UL listed, 15A-TR-Duplex Receptacle. The adjusting sleeve is adjustable up to 3/4" to accommodate any floor. The box features two water tight flip lids and a durable 1/16" neoprene rubber gasket that goes between the receptacle and plate. The stamped steel box is UL listed.