Allparts TK-7940-002 Gold LP Tuning Keys Grover Vintage-Style 3x3 Key SetAllparts TK 7940 002 Gold LP Tuning Keys Grover Vintage Style 3x3 Key SetNew Vintage machine uses a die cast, two piece housing for additional strength and precision. The unique bearing surface in the housing provides a rigid string post enhancing the alignment of the gear and worm. The 14: 1 gear ratio provides for fine tuning. Allparts #TK 7940 002 (gold).