(A34) 2 Metal Dome knurling Guitar Knobs For Tele or JB Adjustable ,Black Brand new straight from the manufacturer and have never been installed. with allen screw hole to adjust. A set of 2. These knobs will Fit 6mm Pot Shaft.(imported guitar mostly, may not fit for the 1/4" shaft) Great for upgrade or replacement part, Excellent quality, Heavy duty for a lifetime of use.