Solid Steel Clamp-on TV Mount: Securely holds TVs and ultra-wide screens 32 to 55 in size and up to 44 lbs in weight with 75x75, 100x100, 100x200, 200x200, 200x300, 200x400, 300x200, 300x300, 400x300, or 400x400mm VESA patterns Sturdy C-Clamp: Ensures ultimate stability for your TV setup (fits desks up to 1.7 in thickness), and an optional grommet mount is included to accommodate your installation preference