ISO 8977:2002 lays down the basic dimensions and tolerances in millimetres for headless and headed matrixes, in the outside diameter range of 5 mm to 50 mm. It gives examples of material and hardness, and specifies a designation for matrixes that meet the requirements of this International Standard. Matrixes in accordance with ISO 8977:2002 are adapted in their dimensions and tolerances to meet the required for punches in accordance with ISO 8020.