Anodized Aluminum Machined Knob - Red - 20mm DiameterUpgrade your rotary encoder or potentiometer with this compact and luxurious Anodized Aluminum Machined Knob in Cherry Red color. This solid machined aluminum knob features knurling on the sides for a better grip and a shiny anodized coating, reminiscent of knobs found in high end recording studios. It is marked with a white triangle to indicate its position. The knob has a set screw that requires a 2mm hex wrench (not included) for mounting, suitable