Musiclily Pro Universal Metal Dual Concentric Stacked Control Knobs for Electric Guitar and Bass, Black (Set of 2)
1.Fits electric guitar, bass and other instruments with dual concentric pots, for the most common concentric potentiometers
2.Top knob dimensions : 19mm(3/4 inch) outer diameter,6 mm hole diameter,13 mm(33/64 inch) total height, compatible with 6mm(15/64 inch) Shaft pots
3.Bottom knob dimensions: 25mm(63/64 inch) outer diameter,8 mm(5/16 inch) hole diameter,10 mm(25/64 inch) total height, compatible with 8mm(5/16 inch) shaft pots
4.Material: metal alloy, with set screws
5.Package includes: 2Pcs Knobs