Feature

●Sidewall height is approximately 5/16"
●High density tungsten
●Included cubes can be inserted in the slot to add up to .34 oz to the weight of the disc
●Use a 1" Forstner bit to drill the hole for the weight.
●Dome height is 1/8"


Description

Ideal for adding weight to your pinewood derby car. Drill a 1" hole in the top of the car and glue the weight in place. Includes two tungsten cubes (.17 oz each) that can be added to the slot in the disc for additional weight.