BalanceBox 400-40 Wall Mount for 55" or 50.7-94.7lbs (400-40 + VESA), Balancebox p/n: 480A13+481A70, 15.75" height adjustable distance. For more information and downloads, please refer to Balancebox's website.
24.4 x 26.4 x 3.8
21.9 x 23.3 x 3.2
60.9
65.0