What materials are used to make a discus?

A discus can have sides made from rubber, plastic, wood, aluminum, or metal. It has a metal rim and metal core to give it weight. A discus used by men is 220 millimeters (8.66 inches) in diameter and weighs 2 kg (4 pounds, 7 ounces). A discus used by women has a diameter of 182 millimeters (7.17 inches) and weighs 1 kg (2 pounds, 3 ounces).