Schaller Original G-Series machine heads 3L3R Deluxe KeyStone. 21 id: 43079 sku: 10140523163 brandname: Schaller series: Original G-Series Details machine heads 3L3R Deluxe KeyStone. 21,7x6mm solid shaft, gold Related products 10140123163 Schaller Original G-Series machine heads 3L3R Deluxe KeyStone. 21