Schaefer Marine Hawk Wind Indicator f/Boats up to 8M - 10". Lightweight with a balanced vane arm and the Hawk "V" jewel bearing surface this is the ultimate in Wind Indicator technology. The Vane arm is made from tough Nylon giving good rigidity and UV Protection. The support rod is high grade aluminum allowing it to be bent if required or straightened should it be knocked or damaged. The easily removable mast clip can be mounted either vertically or horizontally and is easily removed without tools. Adjust and lock the reference arms at any angle for quick at a glance indication or either gybing or tacking angles. Specifications for Schaefer Marine Hawk Wind Indicator f/Boats up to 8M: Manufacturer: Schaefer Marine Color: Hawk Package Contents: Schaefer Marine Hawk Wind Indicator f/Boats up to 8M Schaefer Marine H001F00: Hawk Wind Indicator f/Boats up to 8M - 10"