The Plasma Universal Mount supports a plasma or LCD screen on a pipe, 12", or 20.5" Truss. One Mega-Coupler is provided to fasten per mount. The two mounting bars are bolted directly to plasma screen with two 8mm or 10mm bolts per bar. The support bolt holes are drilled for the 50, 100, 150, 200, 300, 400, 660 mm VESA Standards. Priced Per Set. A SET consists of two mounting bars and two Mega Couplers # MLM1/2CS (one for each bar). Additional couplers may be needed for different arrangements and need to be purchased individually. Additional couplers pictured are part # MLM1/2CS ( #MLB1/2CS for Black) and can be purchased separately. See Mega – Couplers for purchasing. The 8mm or 10mm bolts used to attach the bars to the screens are not included. The Plasma Universal Mount is available in a Mill or Black finish. A version to fit a Global truss is also available.