Bass Guitar Tuner Tuning Machine Knob Gaskets Washers Bushings 12 Pieces, 6 of each- Includes 6 each (12 pieces) as pictured.
- Will fit many sealed-gear, or semi-closed Bass guitar tuners.
- If unsure of your size, please measure before you buy.
- Inside diameter: 5.2mm
- Outside diameter 7mm
- For Bass guitar, will not fit most standard 6-string guitar tuners (see other listing for those).
- Tuning machine pictured not included, for illustrative purpose only.