A small calibrated windsock for accurate wind speed and direction information. Ideal for runway thresholds, heliports, hangars and private strips—house, garage, barn, boat dock, stadium, etc. Not a toy—a real honest-to-goodness windsock. Specially designed with an internal frame which keeps the mouth open at all times. Calibrated to be fully extended at 15 miles per hour, the windsock provides accurate wind information in breezes as light as 2 knots. Personalization may be ordered for the windsock. Personalization is limited to one or two lines of vinyl letters. Up to 17 characters (including spaces) per line (Personalization on both sides of windsock). Chrome-plated steel mast is adjustable in length from 33 in. to a full 4 1/2 ft. The fluorescent sock measures 27"l x 6 1/2" dia.