Product Number: SB43543
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Grade 8 and up. Excellent, economical, and robust tool is ideal for use in meteorology lessons. Each directional pole is clearly marked with 1-1/3 in. H letters. The sensitive cone bearing assembly responds to the slightest wind and is mounted on a tip-resistant plastic base. Measures 3-1/2 in. x 3-1/2 in. x 7-5/8 in. H. Vane length (rudder to pointer): 7-1/2 in.