Keyboard Stand Extension Adapter L Shape Electronic Piano Keyboard Rack 2 Tier Riser 4275cm Width Adjustment 1Main Function: This adapter is mainly used to raise the electronic keyboard stand, making it a double tier stand that can accommodate 2 electronic keyboards, which is convenient and practical. 2Adjustment Range: Can adjust the height to fit most keyboards, with a width adjustment range of 4275cm, suitable for most popular electronic keyboards, and has strong compatibility. 3Durable Materials: The keyboard stand riser is made of excellent metal and plastic materials, which is sturdy and durable, and can withstand heavy electronic keyboards without bending or breaking. 4Easy Installation: Simply tighten the knob on the L shaped bracket to easily install the extension adapter on the electronic piano stand, and only suitable for circular tube keyboard stands. 5Portable Design: This keyboard stand riser is lightweight and portable, with detachable design that facilitates storage and transportation, suitable for home practice or stage performance.