Machined aluminum cylinder floats in cold water, but sinks in warm water. Measures 5/8 diameter x 3-3/8 long. Weight is 0.5 ounces.
Density Rod
Machined aluminum cylinder floats in cold water, but sinks in warm water. Measures 5/8 diameter x 3-3/8 long. Weight is 0.5 ounces.
Density Rod
