Centering Rings

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ARR’s CNC precision crafted  Fins, Centering Rings, and Bulkplates are  cut using a custom built Computer Numerical Controlled Router.

At the time of your order, we individually cut and fit each Ring and Bulkplate to current production Blue Tube 2.0 sizes as a function of our quality control policy.

Ring and Bulkhead Specifications:

Ring and Bulkhead sizes up to 4.0″ are cut from 6 mm Baltic Birch Plywood. 5.5″ Rings and Bulkheads are cut from 9 mm Baltic Birch Plywood. Rings and Bulkheads sizes, 6″ & 7.5″, are cut from 12mm Baltic Birch Plywood.

Call 360-445-2ARR for your custom cluster & hybrid rings.