This listing is for a set of (2) Hammarlund HQ-100 BRAND NEW ORIGINAL Main Tuning & Band Spread Knobs!These are the original Knobs used on the Hammarlund HQ-100, HQ-100A, HQ-145, HQ-145X, HQ-170, HQ-170A, HQ-180, HQ-180A and other Hammarlund Receivers...