Tungsten is the best weight for your pinewood derby car because it allows you can pack more weight in a smaller area giving you more flexibility in your car design and more accurate weight placement for speed. Package contains eight 3/8" diameter cylinders with chamfored edges for easy insertion. The four .5oz cylinders are .44" long, two .3oz cylinders are .27" long and two .2oz cylinders are .18" long. The variable weights allow you more accurate weighting of your car. Just drill a standard 3/8" holes in your car, insert the weights you need and cover the hole with wood putty so your weights are hidden in the car. Total weight of the 8 cylinders is 3 ounces. (Note to metallurgists: These cylinders are Class 3 tungsten, 95% pure. It is an alloy of 95% pure tungsten, 5% nickel and iron.)
Tungsten is 1.7x denser and smaller than lead. It is 2.7 denser than zinc making it about 1/3 the size of zinc!
Tungsten is the best weight for pinewood derby cars because it allows precise placement of weight so your car reaches maximize velocity.
Hide weights inside derby car body for a clean look.
Cylinders are 3/8" diameter (standard drill bit size) and only 15/32" long
Tungsten is non-toxic for safe handling