This torsion bar rack is the best way to store bars while in transit.  Grommet in top and bottom holes to protect against damage.  1 1/2" grommet inner diameter hole for bar. 

All size options for Torsion Bar Rack:
12" Bar Rack - part #145
16" Bar Rack - part #137
24" Bar Rack - part #134, Oversize shipping charges apply.

Designed to line up with trailer wall studs, the 16" or 24" tall rack an hold up to 12 bars.