TheProX XT-JB6W-2W Square Truss Junction Blockis a universal connecting point for F34 trusses, and it's equipped with connecting hardware for use withProX XT F34square truss components. It features 2'' outer diameter tubing and 3/4'' diagonal bracing. It has XT Series 2mm thick tube walls, thistrussjunction block is strong and can be used for many applications. It is built to the highest standards of safety and performance. 8 Half Conical couplers included, additional conical couplers can be added for more utility.(Sold Separately XT-CA-103)At the heart of the system is square truss that utilizes a standard conical connector system, which easily mates with other brands of truss of the same size and connector style, It also works with different types of corners, base plates, connectors and accessories that add stability while expanding on limitless configurations. Always know your load weight for your equipment:VERY IMPORTANT - CLICK HEREfor Truss Loading Chart.Tolerance Free Standard Conical connector Main tube wall thickness of .08in XT-SQ SERIES DIMENSIONS:Height: 11.42in / 290mm Width: 11.42in / 290mm Weight: 21lb per 3.28 ft / 9,5kg per meter Main Tube: 2in / 50mm Wall Thickness: .08in / 2mm Braces: .75in / 20mm Includes connecting hardware set.ProX Truss products utilize industry-standarddimensionsto be compatible to connect to/with many other manufacturers trussing.