Schaller S-Lock Nickel

New and unique solid one-piece strap button in hardened steel with self-tapping wood thread. Simply screw it on with an Allen key (size 3 mm/ 1/8").  

• 4 mm/ 5/32“ screw with self-tapping wood thread. Fits all existing strap buttons incl. Gibson for perfect replacement without adjustments on existing holes and screws (XL and S version also available as replacement kit). 

• Hardened steel and more than double thickness of the strap button guarantees maximum security against breakage.

• Including high-grade felt washers for ultimate protection of guitar's finish.