Item Descriptions:
-Diameter of shaft hole: 6mm; Height: 13mm; Bottom diameter: 26mm
-Made of acrylic material, light weight, not easy to break.
-Replace guitar bass and amplifier with 6mm diameter shaft.
-The clear design magnifies the numbers so that you can easily see them from any angle.
-The smooth surface ensures the user's comfortable touch.

Package:
4x Tone Speed Knobs

Item Specifications:
Shaft hole diameter:6mm/0.24 inch
Height:13mm/5.11 inch
Bottom diameter:26mm/1.02 inch
Material:Acrylic
Color:White