This shaft Adapter was made by Don-Audio for Elma Type 04 standard switches and 1/4 Inch (6,35mm) Shaft
knobs which must be controlled by a switch or potentiometer that has a 3mm inch shaft. The Shaft Adapter is an aluminum adaptor with a cut-out for the screw.
Height: 5mm
Diameter: 6mm or 1/4 inch with shrink pipe
Inner hole diameter: 3mm inch
+-0,35mm
Please note, this is the same as the 3mm to 6mm adaptor but you can make it fit to 1/4
knobs with a shrink pipe we include.