Strobe Beacon Light Flange For 3-3/4" Anti-Collision Lights from $48.37 Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Condition: UsedCondition Description: as removed - fits Grimes, Whelen and other beacons. 3-3/4" ID, 5" OD Qty available: 1 Tweet