Guyker Guitar Aluminum Dual Concentric Control Knobs - Dome Volume Tone Stacked Knob Replacement for Electric Guitar or Bass

Guyker dual concentric control knobs are for sound equipment or rotary potentiometer, for protection and easy control. The switch knobs have a domed finish around their circumference. Benefits / Features: - Control the tone & volume on the same pot, it has screw hole on the knob. - Compatible with most electric guitars / bass. - Easy replacement or upgrade. - Made in Korea. Specifications: - Base one size: Approx.19mm / 0.75 in (Width); - Base inner shaft hole diameter: approx. 8.3mm / 0.33 in. - Top one size: Approx. 16mm / 0.63 in (Width); - Top inner shaft hole diameter: Approx. 6.2mm / 0.24in - Total Height: Approx. 20mm / 0.79 in. - Colors: Black Package including: 2 x concentrically stack knobs (one top and one bottom)