Check the listing for details. Ultimate Support AX-48TA Threaded Adapter for APEX AX-48 Pro Keyboard Stand. Condition: New. Listed at 25.99 USD. Ultimate Support AX-48TA Threaded Adapter for APEX® AX-48 Pro Keyboard Stand The AX-48 Pro Threaded Adapter is an adapter that fits into the accessory space at the top of your APEX AX-48 Pro! Simple to install, snap the AX-48 Pro Threaded Adapter into place and tighten the two included bolts. Once installed, your APEX AX-48 Pro will have a 5/8" thread on top so that you can add a microphone boom arm or any number of other devices! It's the perfect addition to your HyperPad, HyperStation QR, or HyperMount QR for adding iPads or laptops to the top of your AX-48 Pro! Gen eral Features : For use with APEX AX-48 Pro keyboard stand Easy to install 5/8" thread adapter Add microphone boom, HyperPad, HyperStation QR, or HyperMount QR to your APEX AX-48 Pro keyboard stand! Part Name: AX-48TA Part Number: 17559 For use with APEX AX-48 Pro Thread: 5/8" 1-year manufacturer warranty