The AC-AP-2020 adaptor plate is designed for monitors with VESA mounting hole configurations larger than the common 50 x 50mm, 75 x 75mm or 100 x 100mm. It enables a monitor with a mounting hole pattern up to 200x200 VESA mounting hole pattern to be attached to mounts with smaller VESA patterns. Suitable for screens with VESA hole patterns of 50x50, 75x75, 100x100, 100x150, 120x180, 200x100, and 200x200. Fasteners supplied.