Grover 18:1 Sta-Tite H97-18NA 3x3 Slotted Machine Heads, NickelThe Original Grover® Sta-Tite™ machine head now available with an 18:1 gear ratio for more precise tuning. Still with the classic styling and butter bean button of the original Grover® Sta-Tite™ machine heads.3L 3RGear ratio 18 : 1Set of 6 (3-left/3-right) with mounting screws. String posts are 1/4" (6.32mm) diameter.
