Grover machine heads for mandolintuning pegs with same lengths for standard "A"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, black plastic buttonschrome finish
Grover machine heads for mandolintuning pegs with same lengths for standard "A"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, white plastic buttonschrome finish
Grover machine heads for mandolintuning pegs with same lengths for standard "A"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, black plastic buttonsgold finish
Grover machine heads for mandolintuning pegs with same lengths for standard "A"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, white plastic buttonsgold finish
Grover machine heads for mandolintuning pegs with same lengths for standard "A"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, black plastic buttonsnickel finish
Grover machine heads for mandolintuning pegs with same lengths for standard "A"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, white plastic buttonsnickel finish
Grover machine heads for mandolintuning pegs with different lengths for standard "F"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround black buttonschrome finish
Grover machine heads for mandolintuning pegs with different lengths for standard "F"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround white buttonschrome finish
Grover machine heads for mandolintuning pegs with different lengths for standard "F"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, black plastic buttonsgold finish
Grover machine heads for mandolintuning pegs with different lengths for standard "F"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, white plastic buttonsgold finish
Grover machine heads for mandolintuning pegs with different lengths for standard "F"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, black plastic buttonsnickel finish
Grover machine heads for mandolintuning pegs with different lengths for standard "F"-style mandolinsopenspecially designed worm gear8 pieces: 4x left, 4x right4-on-a-plate designratio: 18:1mounting sleeve diameter: 8.30 mmshaft distance: 23 mmround, white plastic buttonsnickel finish