QL Z 2 Second tierTilt, height and depth adjustable Aluminum Second Tier Add-on for Z/71, Z/71ALU Z/716 (can also be used on Z/716L if a 76 or 88 note keyboard is used on top tier). Securely attaches to main keyboard tier. Rubber-coated tier arms hold keyboards firmly in placeTier depth measurement: 32.1 cm Height positions (4): 22 to 30 cm Weight capacity: 33.9 kg Weight: 2 kg Color: Black