Professional stand with 4 tiers for 4 keyboards. Made of anodized aluminum with durable joints reinforced with glass fiber, in black finish. Upper tiers with memory clamps. With two extra rear braces. The lower tier is supplied with holders of 60 cm length, is strengthened by a second tube and can be used for very heavy instruments. Other holders of 40 cm length. All tiers are height adjustable and inclinable. Stand can be folded for transport.