BMPNW5-5/16 Button Nail Spring Metal Washer,5/16" x 7/8", 5 gross (PER PACKAGE)

Also known as spring lock washers. These washers lock and secure the threaded nails when inserted into the upholstered construction. Perfect for working near edges or corners. This item is sold in 5 gross pack. (Also available in 1 gross pack.) (WASHER ONLY) 5/16" X 7/8"