Convert existing mounts with 200 x 200 VESA patterns to support displays that require larger VESA patterns. Adds VESA 300 x 300, 400 x 200, 400 x 400 & 600 x 400 patterns. Compatible with Helios FM44IW in wall mount. Includes all necessary hardware to assemble and attach bracket to existing mount. Strong steel construction with durable powder coat finish.