Steel base used for 1-1/4" truss. Measures 14" x 14".
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1-1/4" Frame Kit
1-1/4" Speed-Rail® Sliders
15° Sleeve for 1-1/4" Speed-Rail®
2 Piece Kit for Telescoping Wall Spreader for 1-1/4" Speed-Rail®
3-1/2" Speed-Rail® Starter for 1-1/4" with Junior Male