Base and lid for a weight casing that can be used to slide inside of any 3" diameter tube. The amount of clay can be adjusted to create different weight blocks. These are useful to use in model rocketry to add weight to the rocket in a standardized way without throwing off balance and without blocking the kevlar string from passing through the body of the rocket. 

Dimensions: 

Height - 2 inches

Diameter - 3 inches

Raw weight (without clay inside) - 13 g

Filled weight (with clay inside) - 30 g