Guyker 2Pcs Brass Concentric Stacked Knobs, Dual Knurled Control Knobs, High Grade Dome Volume Tone Knob Replacement for Electri

Guyker dual concentric control knobs are for sound equipment or rotary potentiometer, for protection and easy control. The switch knobs have a knurled finish around their circumference. Benefits / Features: – Control the tone & volume on the same pot, it has screw hole on the knob. – Material: brass. Durable and long-lasting use. – Compatible with most electric guitars/bass. – Easy Replacement or Upgrade. Specifications: – Top inner shaft hole diameter: Approx. 6mm / 0.24in – Bottom knob 8mm/0.31in inner diameter hole. – Material: Brass – CNC machined – 5 Colors Available: Black, Smoke Gray, Chrome, Golden, Rainbow Chameleon Package including: 2 Pack rotary concentrically stack knobs (two top and two bottom)