Small Boss/MXR style knobs with brass bushing.  Available in a variety of colours.  Sold individually. SPECIFICATIONSOverall Height: 1/2"Base Diameter: 3/4"Ideal Shaft Fit: Solid Shaft (6.35mm)Fit Type: *Set Screw *Please note that the set screw may be different than pictured, be... See More