Plates shall be 1/8" 6061-T6 aluminum - 97152 Manufactured by MULBERRY Dimensions shall be 4.500" x (2.75" for 1 gang, 4.562" for 2 gang, 6.375" for 3 gang, and 8.187" for 4 gang). Mounting screws shall be supplied. Mounting holes shall be countersunk and spaced to center the plate on standard gang electrical wall boxes. The finish shall be brushed aluminum, anodized Black, Gold, or Natural. Engraving is available at an additional charge with optional Black or White Enamel filled text. (Extra)