Small vertical design, with two sizes of mounting rod. The height of the Wind Instrument RB on the standard 9″ (22.8cm) mounting rod is 16.1 inches (41 cm). On the 3.8″ (9.7cm) mounting rod for dinghies shown below, the Wind Instrument RB is 10.8″ (27.5cm) tall.

Windage: the center column is only 0.6″ (1.6 cm) wide.