• Kluson reissue keystone buttons used on current Firebird, banjo, and bass tuning machines.
  • Nickel
  • Set of 6 comes complete with screws and washers.
  • Please note that these buttons and screws do not fit Kluson® original production banjo/Firebird® tuning machines.
  • The screw size and button shaft dimensions have changed with the improvement on the original design of the tuning machine.