They have a smooth finish and a brightly coloured body. Knobs designed for splined shafts have holes with multiple grooves or ridges that correspond to the splines on the shaft. Splined Hole. Other Splined Hole Knobs.
Small Chickenhead Guitar / Amplifier / Instrument Control Knob -6.4mm Round Hole
LEKATO Mini Guitar Amplifier Electric Guitar Amp with Clean Overdrive Effects 5W Mini Bass Amp Bluetooth Bass Amplifier for Daily Practice Portable Small Amplifier, Black
Mini Guitar Amp, Guitar Amplifier Guitar Pre Amplifier Portable Guitar Amp Small Guitar Amp for Acoustic Guitars
SONICAKE Guitar Amplifier Digital Dual Mode Guitar Practice Amplifier 10W BT with 100 Preset 99 Drummer for Electric Guitar APP OTG QAM-20
JOYO 15W Rechargeable Electric Guitar Amp Electric & Acoustic Guitar Amplifier with 9 Amp Models & 6 Effects Guitar Practice Amp Digital Modeling Combo Amplifier (DC-15S)
Coolmusic Unique Mini Guitar Amplifier,10W Wireless Rechargeable Electric Guitar Amplifier with Delay/Distortion Effects, Bluetooth 5.0 Portable Practice Guitar Amp for Home Practice and Music Party
