When it comes time to move those heavy duty pieces of furniture, we often wish we had an option to fix casters underneath. Metal Pedestals collection caster wheels are an easy, reliable way to replace a lost or damaged wheel and move those heavy pieces of furniture easily. These casters are made from durable, tested nylon for additional support. The twin wheel design allows for mobility and stability. These casters were tested and can withstand 150 pounds of weight per wheel. Four wheels come in each box.