All of the crossbeams and uprights have a slotted keyhole ...
Pallet Racking Supports/Brace #1051 Each 20" x 18" x 6" ...
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#597 (2) 42 x 36" (4) 42 x 42"
New Pallet Racking Uprights #448 (14) 12' uprights (7) 8' ...
Make: Damo Pro Made in Canada 20' high x 42" wide ...
13 x 16' uprights 50 x 8.5' beams Make: Hi-Cube Tag ...