5101234130 Schaller GrandTune Single machine heads 3L3R Butterbean 5105234130 Schaller GrandTune Single machine heads 3L3R Butterbean 10140123163 Schaller Original G-Series machine heads 3L3R Deluxe KeyStone. 21 10140523163 Schaller Original G-Series machine heads 3L3R Deluxe KeyStone. 21 6101636011 Schaller GrandTune Classic Hauser machine heads pearloid white pegs 6105636011 Schaller GrandTune Classic Hauser machine heads pearloid white pegs 0202200150 Schaller M6 135° machine heads 6L with small metal pegs 0402200136 Schaller M6 Mini machine heads 6L with small metal pegs 5404032270 Schaller M4 90° Light machine heads 2L2R with M4 light pegs 5602200150 Schaller Original F-Series machine heads 6L with small metal pegs 10580220156 Schaller Original F-Series machine heads 70's 6L with small metal pegs 1034056331 Schaller machine heads Lyra model 1033056331 Schaller machine heads Houser model