The Schaller L Buttons for S-Locks are available as spares so you can use one strap equipped with Schaller strap locks across multiple guitars with S-Lock buttons installed. These are the L size which have a longer and slightly thicker screw thread than standard M size that comes with the strap locks and so are great for guitars with strap button repairs or just extra peace of mind (we also stock the standard M size as a separate item). The strap button and screw are made from one piece of solid hardened steel for extra strength over the old separate screw and strap button design. The strong 4.5 mm self-tapping wood screw keeps your guitar safe when playing with a strap and tightens with a 3 mm allen key/hex wrench (not included). The set of two buttons comes with felt washers to protect the guitars finish.

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