VB-BLM-006 BalanceBox 650-180 Mobile Cart for 207.2-372.6lbs (650-180 + VESA + Wheel Base), Whiteboard Surface Wings Compatible, Balancebox p/n: 484A09+481A70+481A50, 25.60" height adjustable distance. For more information and downloads, please refer to Balancebox's website.