Metal Volume Tone Dome Tone Guitar Speed Control Knobs with Allen Keys Screws Set for Fender Strat Telecaster Gibson Les Paul Electric Guitar or Bass, Chrome Pack of 4 Pcs

Materials: Aluminum Alloy, Diameter: 18mm, Height: 18.2mm, Hollow Shaft Diameter:6mm,We have a small wrench for the knob,You may use it to adjust the shaft hole size., Package Includes: 4x Guitar knob + 1 x Wrench