Side by side 1-1/2" receivers (spaced 1").
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3-1/2" Speed-Rail® Starter for 1-1/2" with Junior Male
3-Way Pass Through Corner for 1-1/2" Speed-Rail®
90° Vertical Truss Corner for 1-1/2" Speed-Rail®
Adapter Bracket for 1-1/2" to 1-1/4"
Adjustable Angle Pipe Receiver for 1-1/2" Speed-Rail®