Young Wolf 4 Pairs (8pcs) Guitar Strap Locks and Buttons Quick Release Security Straplocks 11.9x9.9mm with Mounting Screws Compatible Schaller Grover

Made of high-quality materials, with high strength and not easily broken Used as a guitar strap lock button Compatible with Schaller and Grover locking systems Comes with mounting screws for easy connection to the strap There are 8pcs in one package