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VEX Robotics parts ship from Texas
US Schools/School Districts can order by Purchase Order
Kit Contents:Drive Shaft, Square Bar 2" & 3" (8-pack).(4)Shaft, Square Bar 2".(4)Shaft, Square Bar 3".Compatibility : All Motion Products including Motors, Servos, Wheels, Gears, Sprockets, Tank Tread Kits, Collars, Spacers, and Lock Plates.Material Type: Steel, Zinc Plates.Size: 0.125" (3.175mm) Square Bar.Weight:Drive Shaft 2": 0.011 lbs (4.99 grams).Drive Shaft 3": 0.013 lbs (5.80 grams).Actual weight of one item (no packaging).