2PCS Dual Knurled Concentric Knobs Tuning ControlTone Volume Knobs Chrome

Features: Dual knurled concentric knobs made with durable gilded metal material. To be used with the dual concentric Pot. Control the Tone & Volume on the same Pot. Compatible with most electric guitars. Specifications: Base one size: Approx. 18.2 * 12.5mm (D * H) Base one inner hole diameter: Approx. 8mm Top one size: Approx. 15.2 * 14mm (D * H) Top one Hollow Shaft Diameter: 6mm Color: Chrome Package Included: 2 x Dual Concentric Knobs