Fasnap line-24 marine snap fastener cap with an extended 5/16" long post for fastening through thicker materials. Brass body with nickel plating delivers a polished finish and good corrosion resistance for marine canvas and upholstery. The folded window design under the post minimizes dimpling of the cap face. Pairs with matching Fasnap sockets, studs, and eyelets. Sold in 100-packs.