A genuine-style replacement for Fender instruments featuring stacked concentric controls, these high-quality metal knobs are perfect for restoring vintage models or upgrading modern builds. Designed for smooth, precise adjustment, the set includes both upper and lower knobs, each secured with a durable set screw for a firm fit. Specifications Upper Knob: 19 mm (3/4”) diameter × 13 mm (1/2”) tall, internal diameter 4.85 mm (.192”) Lower Knob: 25 mm (1”) diameter × 11 mm (3/8”) tall, internal diameter 6.9 mm (.272”) Set screws for secure installation Solid metal construction for durability and long service life Ideal for Jazz Bass, Jaguar, and other Fender models with stacked concentric controls Compatible with CTS Pots EP-4586-000 & EP-4585-000 Whether you’re replacing worn originals or fitting them to a custom project, these knobs combine classic Fender styling with modern precision.