Leviton 40549-W Type 625B4 Telephone Midway Wall Plate Flush Mount Jack, 1 Modular 6P4C Jack, Screw Terminals, White 3/8-Inch larger than standard size wallplates to conceal irregular wall openings Mounts to single-gang back boxes or four-square boxes with appropriate user-provided reducer High quality ABS plastic or nylon which provides superior resistance to impacts, chemicals, and solvents as compared to other plastics Provide quick at-the-wall connections for RJ-11 telephone and/or F-connection video applications (depending on model) 6P4C