Quik Lok QL-723 Pro Series Heavy Duty Keyboard"X" Stand The new "Pro Series" stands are capable of holding the heaviest keyboards safely and securely. The absolute hands down choice of most professional musicians because of their adjustability, functionality, strength and reliability. This line features the new Quik Lok "Push to Adjust" locking disc system with user-friendly push button and super heavy duty steel tube bracing for extra sturdiness and structural support. The innovative, advanced-technology upper tier set is fully adjustable in height, angle, tilt and depth, and offers the musician maximum flexibility of use. A complete line of accessories allows musicians to customize their performance structure to accommodate their needs perfectly.