Guyker Dual Concentric Control Knobs - Dome Volume Tone Speed Stacked Knob Replacement for Electric Guitar or Precision Bass-1 Piece Brown-

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. - Compatible with most electric guitars / bass. - Easy Replacement or Upgrade. - Made in Korea. Specifications: - Base one size: Approx. 25 * 10mm / 0.98 * 0.39 inch (D * H); - Base inner shaft hole diameter: approx. 8mm / 0.31in. - Top one size: Approx. 19 * 13mm / 0.75 * 0.51 inch (D * H); - Top inner shaft hole diameter: Approx. 6mm / 0.24in - Top one material: Zinc alloy; Base one material: Aluminum alloy. - 4 Colors Available: Brown, Golden, Chrome, Black Package including: 2 x rotary concentrically stack knobs (one top and one bottom)