harpfeas 2PCS Guitar Dual Concentric Stacked Control Knobs Sets Metal with Wrench Replacement for Electric Guitar Bass (Black)

Specifications: Material: Alloy Metal Color: Black Item Size: Refer to the picture for detailed size Item Weight: 30g / 1.06oz Package Weight: 62g / 2.19oz Dimension: Top Knob Size: 14*15mm Compatible with 6.3mm shaft pots Base Knob Size: 12.5*18mm Compatible with 8mm shaft pots Package List: 2 * Dual Concentric Knobs, 1 * wrench