Floating Acrylic Wall Frame with Silver Stand Off Caps: 8.5" x 5.5" Graphic Size, Overall Frame Size: 12.5" x 9.5" - Azar Displays
Amazon.com: Azar Displays,105536, Floating Acrylic Wall Frame with Silver Hardware Stand Off Caps, Clear Hanging Photo Frame Display Mount with Frameless Border, Glass-Like Frame for Large Prints, 24" x 36" : Industrial
Azar 11" x 14" Standoff Acrylic Sign Holder With Caps Clear 105510 | eBay
6" x 6" Wall Sign Holder Euro Style With Stainless Standoffs