Proper use of this cast iron weight requires strength, coordination and lots of practice with a light weight before increasing weight. (verywellfit.com)
They are cast - iron weights with a rubber coating that protects floors from getting damaged as well as offer an attractive appearance. (agymrat.com)
You can easily add or remove the solid iron weights, which come in 0.25 - pound increments. (geekwrapped.com)