Product Info Catalog Building Materials Windows Screen Accessories 3/4 x 5/16-Inch White Nylon Screen Frame Corners, 4-Pack 3/4 x 5/16-Inch White Nylon Screen Frame Corners, 4-Pack Request a Quote UPC: 49793077295 Manufacturer: Prime Line Products SKU: 878462 Model Number: PL 7729 4 Pack, 3/4" x 5/16", White, Nylon Screen Frame Corners, Square Cut, Use With #PL14080 Screen Frame.