Professional rack stand with 4 tiers for 4 keyboards. Made of anodized aluminum with durable joints reinforced with glass fiber, in silver finish. All tiers are height adjustable and inclinable. Extra strong lower tier with holders of 60 cm length for heavy keyboards. Upper 3 tiers with holders 40 cm can be adjusted in depth. With 19“ inset is for 6 units (including 24 screw sets).