All Parts MK-0137-010 Chrome Concentric Knob

Concentric Stacked Knob Set, with Set Screws, Chrome.
Top Knob – Inside diameter .192″, 3/4″ diameter, 1/2″ tall.
Bottom Knob – Inside diameter .272″, 1″ diameter, 3/8″ tall.

Concentric pots to fit – EP 4585-000 250K/500K; EP 4586-000 500K/500K