Quest MIDI keystone single-gang wall plates are oversized wall plates (3.1″w x 4.8″h) designed for standard use, as well as for the purpose of hiding mistakes in incorrectly cut mounting holes in the sheetrock. Available in 0, 1, 2, 3, 4 & 6 port versions; are designed for vertical mounting on a wall; and are constructed for use with any standard keystone inserts._x000D_