1 Product type: High quality marine grade canvas and upholstery boat cover snap button fastener kit.
3 Package: In this kit, we offer socket and cap each 40pcs, 15x10mm(0.59 x0.39 ) and 15x15mm(0.59 x0.59 ) screws each 20pcs, along with 2pcs setting tool stored in a transparent plastic box, convenient for your storage and use.
5 Application: These button snap studs can be attached to wood, plastics and fiberglass, they are strong and great for both indoor and outdoor use, with excellent rust resistance in salt water applications.