They were used for a 2x2 video display wall with 4x NEC X461UN commercial displays. The item "DF 2x2 Commercial Video Display Wall Mount 300 x 300mm VESA TV" is in sale since Monday, November 11, 2019. This item is in the category "Consumer Electronics\TV, Video & Home Audio\TV, Video & Audio Accessories\TV & Video Accessories\TV Stands & Mounts". The seller is "arkindustry" and is located in South San Francisco, California. This item can be shipped to United States.