On Stage Stands KS7350 Pro Heavy Duty Folding Z dusty the AWM6074U system has been the AWM6074U system has been engineered to be a dependable UHF system with a wide audio frequency range (Replacement cover plates are also available backed by our meticulous care Key Features• Heavy duty Z style frame exceptionally stable design supports everything from lightweight portable keyboards to large 88 key digital pianos and workstations• Adjustable height and width easily accommodates a wide variety of keyboard sizes while allowing a comfortable playing position whether seated or standing• Folding design collapses quickly for transport and storage without requiring complete disassembly• All steel construction durable tubing and reinforced joints are built to handle years of rehearsals