Pinewood Pro Tungsten Sphere Weights for Derby Cars | 33 Piece Set | 4.5 mm in Diameter | Incrementally Adjust Weight | Great for fine Tuning | Non-Toxic, Child Safe
Special Features
Tungsten spheres for precision weighting of wood derby cars
Tungsten is 1.7 denser than lead making it the best weight for placing small amounts of weight in a pine derby car
Diameter of each sphere is 4.5mm
Non-toxic, child-safe for handling
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