Concrete cylinder molds are used to create cylinder test specimens. The cylinder molds are constructed of plastic or steel. The plastic concrete cylinder molds are disposable, while the steel molds are reusable. The molds come in a variety of sizes including: 2″ x 4″, 3″ x 6″, 4″ x 8″, and 6″ x 12″. Custom printing and labeling is available for certain plastic molds.