Tungsten Weights 3.25 Ounce 3/8 Inch Incremental Cylinders Car Weights Compatible with Pinewood Car Derby Weights, 12 Pieces, 4 Sizes

Precision Weights: our tungsten weights range from 1/2 ounce to 1/16 ounce, this allows more fine tuning for the exact weight of your wooden car, Higher Density Than Lead: tungsten is 1.7 times more dense than lead, which allows you to pack more weight in the back of your car. This causes a greater build up of potential energy and have faster speeds on the track and finish line, 4 Different sizes: derby weights are in different size, including 4 x 1/2 ounce tungsten, 4 x 1/4 ounce, 4 x 1/8 ounce, 4 x 1/16 ounce, all tungstens are 3/8 inch in diameter cylinders; Multiple sizes make precise placement of weight in your car for speed, Safe Material: tungsten is child-safe, non-toxic for safe handling; All tungsten is smooth cylinders without sharp edges, So it is safe for your children, Easy installation: tungsten weights cylinders are 3/8 inch diameter, which is the standard bit size; you can just drill a hole in the desired area of your wooden car, then insert the weight and paste it in place to use