Schaller Guitar Strap Locks and Buttons (Pair) (Black) Go to amazon.com Related posts Which are the best guitar strap buttons black available in 2019? FeatureIncludes:2 strap locks2 washers2 nuts2 strap buttons2 mounting screws DescriptionDon't risk dropping that beautiful guitar you poured your hard-earned cash into. Get schaller's guitar strap locks for added security.