Set of 8-1" x 1" Aluminum Standoff Screws, to Mount Office Wall Signs (Silver) Wall and door sign standoffs come in a set of 8 pieces. Mounts 2 signs (4 standoffs per sign). Fits sign panels up to 0.625 inches thick. Aluminum construction, polished finish. Requires 0.5-inch holes drilled into signs. Displays2go SKU#: SO2525AL