Brand new， high quality， round head straplockSuitable for all kinds of guitarsEasy to install， convenient to useEach guitar needs two strap locksMaterial: Copper with chrome platingInstallation Steps:Release the fastening nut from the straplock， screw in the pin on the guitarMake sure the pin is tightened， then lock the strap to the straplock buttonInsert the straplock into the fastening nutPackage includes:1 x Guitar strap Lock