Fender Genuine Telecaster / PrecisionBass Knurled Knobs Need to replace a missing knob? Fender has what you need straight from our U.S.-made instruments. Package includes two knurled flat-top knobs and mounting set screws. Designed to fit most 1/4" solid shaft potentiometers. Fits most Telecaster and PrecisionBass instruments (US and Mexico) manufactured from '51-Present.