2 Sets of Gold Color Dual Concentric Stacked Control Knobs for Electric Bass Guitars

Features:
Dual concentric stacked knobs, to achieve 'Tone & Volume Adjustment' on same knobs.
Fit for electric guitars and bass.
Made of alloy metal, providing long durability.
Package comes with 2 sets; there are 3 colors for option --  silver/ black/ gold.
100% Brand new and testing is fine.

Specifications:
Material: Alloy Metal
Color: Silver/ Black/ Gold (optional)
Item Size: Refer to picture for detailed size
Item Weight: 30g / 1.06oz
Package Size: 7 * 5 * 2cm / 2.76 * 1.97 * 0.79in
Package Weight: 62g / 2.19oz

Package List:
2 * Dual Concentric Knobs