Ergotron Glide Wall Mount LD-X - Mounting kit ( motion arm, VESA adapter, mounting hardware, lift assembly ) for LCD display - black - screen size: up to 42" - mounting interface: 100 x 100 mm, 100 x 200 mm, 200 x 200 mm, 400 x 400 mm, 200 x 100 mm, 300 x