ASH --> culm (0-6 mm) AS --> pea-anthracite (6 -13 mm) AM -> small anthracite (13 25 mm) AK -> anthracite fist (50 100 mm) AKO -> nut coal (25 100 mm) If you are interested in our offer, we invite you to discuss the prices of our products. Please dont hesitate to contact us.If you are interested in our offer, we invite you to discuss the prices of our products. Please dont hesitate to contact us.