Overview Product Description Custom Zenith Control Dial Set (no collar-reuse existing). Zenith part number 26-118,26-119,26-120, and custom 26-121. Product Videos Custom Field Product Reviews Write a Review Write a Review × Zenith Custom Control Dial Set (no collar-reuse existing) (Item: DS-A437Z)) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *