The ProX XT-SJB-4W Single Tube Multi Junction Box Cube M12 by ProX Direct lets you connect square trussing to I-Beam Trussing or single tubes.  This high grade aluminum junction box securely holds multiple sides with aluminum conical connectors and truss clips. Expand and connect multiple types of trussing with one easy attachment accessory.   Allows connection of F34 square truss to F32 ibeam truss or F31 single tubes.

ProX XT-SJB-4W Single Junction Box Includes 4-Sided Connecting Hardware for F34 F33 F32 F31 Truss. The ProX Single Junction box includes four side connecting hardware that allows for easy and secure attachment to other trussing.

roX Truss has the 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 formobile DJs, bands, outdoor performances, nightclubs, live mobile productions, or permanent installations.

At the heart of the system is square truss that utilize a standard conical connector system, which easily mates with other brands of truss of the same size and connector style, and is available in a variety of lengths to suit your designs. 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: 

• Single Pipe Junction Box Cube M12
• Thread: M10 Female
• Includes 4x Conical Half Connectors
• Material: EN-AWT6 6082 Aluminum