PineCar P3919 Tungsten COG Weights

To maximize performance, Pinewood Derby cars should be weighted to the maximum weight allowed. Tungsten weights have 3 times the density of traditional weights to give you finer control about weight distribution. PineCar #P3919 Tungsten COG Weights let you adjust the Center of Gravity of your racer by adjusting the weights with an allen wrench after they are installed. Install by drill a 3/8" hole in your car and inserting weights. Package contains 4 weights each .5 ounces (14.1 grams). Choking hazard - not for children 3 or younger.