Ready to Ship (US) | WK015 High Quality Adjustable Stabilizedwood Knobs for Guitar/Bass Color:Green 21:1 gear ratio supports finer

21:1 gear ratio supports finer tuning adjustment

8 mm Mounting Screw Hole Diameter 2

If you have any dissatisfaction

Package included: 1 pair of straps buttons

Lock in your bridge for a secure setup that withstands even the most dynamic playing styles

Ready to Ship (US) | WK015 High Quality Adjustable Stabilizedwood Knobs for Guitar/Bass Color:Green 21:1 gear ratio supports finerSpecifications: Material: Stabilizedwood Design and Style: Adjustable, Classic Usage and Purpose: Guitar Bass Customization Shape: Threaded Knob Performance and Property: Durable, Retention Enhancing Parts and Accessories: Includes Screws for Easy Installation