Our KSA8500 Deluxe Keyboard Tier features two sets of support arms to support additional keyboards on your main keyboard stand. Each pair of arms features independently adjustable height, tilt angle, length, and width to hold a variety of keyboards and other devices in optimal playing position. Compatible with any 1" square-tube or 30 mm round-tube stand, as well as our Folding-Z stands, our Deluxe Keyboard Tier is a versatile choice for second- or second-and-third-tier customization.