Product Info Catalog Building Materials Windows Screen Accessories White Square-Cut Window "C" Sash Corners, 20-Pack White Square-Cut Window "C" Sash Corners, 20-Pack Request a Quote UPC: 49793143235 Manufacturer: Prime Line Products SKU: 123622 Model Number: PL 14323 20 Pack, White Finish, Plastic Square Cut Window "C" Sash Corner, Use With PL 14179 Universal "C" Sash Frame, Tub.