Top 152 mm (6 inches.) Will take a 293 mm (8 inch) drum. Middle 228 mm (9 inches.) Will take 254 mm (10 inch) drum. Bottom 304 mm (12 inches.) Ideally suited to a 304 mm (12 inch) but could take a 330 mm (13 inch) drum slightly offset. Height between the tiers is approximately 280 mm (eleven inches.) Available in chrome or gold.