The Light Source UPBGLOBAL-2 Universal Plasma Mount Global 1x MSCB Set (Black)The Plasma Universal Mount supports a plasma or LCD screen on pipes, 12" truss, or 20. 5" truss. Two Slim Couplers are provided per mount. The two mounting bars are bolted directly to the plasma screen with two 8mm or 10mm bolts per bar. (Bolts are not included.) The support bolt holes are drilled for the 50, 100, 150, 200, 300, 400, 600 mm VESA Standards. Specifications Working Load Limit: 250 Pounds Hardware: None Supplied Dimensions: 28" x 4" x 1"