Concentric Stacked Knobs

Specifications:  - Top inner hollow shaft diameter: Approx. 6mm / 0.24 inch  - 2 Colors available: Red sandalwood, ebony Package includes  2 Pack rotary concentrically stack knobs (two top and two bottom) Specifications: Top one Hollow Shaft Diameter: 6mm/0.24in. Used with the stacked concentric pot, for achieving‘Tone & Volume’ on the same pot. Dual switch knobs compatible with most electric guitars bass parts replacement. Stacked concentric control knobs. Simple and quick to install. Durable and long-lasting use. Package includes: set of 2 concentrically stacked knobs (two top one and two bottom one).   Free Shipping - Allow 30 days CALIFORNIA PROPOSITION 65 WARNING  WARNING: Cancer and Reproductive Harm - arnings.ca.gov