The ProX XT-BH180 Adjustable Plate-Hinge Truss Plate fromthe most trusted staging support systems in the industry, and is built to the highest standards of safety and performance. It's a rugged yet lightweight trussing solution perfect for mobile DJs, bands, outdoor performances, nightclubs, live mobile productions, or permanent installations. It adjusts from0 to 180 and fitsProX 12'' SQF34 Conicaltrussing.Manufactured from high-grade and lightweight aluminum which is easy for transportation and setup! This product can provide a universal solution for truss angles.The ProX XT-BH180is the first trussing hinge from ProX that adjusts from 0 to 180 for unique truss construction projects. There is a built-inadjustable arm tolock the desired angle between sections of truss and Junction Boxes. XT-SQ SERIES DIMENSIONS:Height: 11.42in / 290mmWidth: 11.42in / 290mmWeight: 21lb per 3.28 ft / 9,5kg per meterMain Tube: 2in / 50mmWall Thickness: .08in / 2mmBraces: .75in / 20mmTolerance Free Standard Conical ConnectorMain tube wall thickness of .08inConnecting hardware included- Conical connectors, spigots, cotter pins (8 sets)ProX Truss products utilize industry standarddimensionsto be compatible to connect to/with many other manufacturers trussing.