- Protect your beams and uprights.
The slim column protectors are not only great for small beams but are great for protecting uprights on mezzanines, bollards, and overhead crane supports. Fits 3", 4", 5", and 6" beams. Mount one half of the protector to walls to cover and protect water lines and electrical conduits from damage. The combination of flexibility and rugged structural design provides the ultimate in protection. DPI column protectors not only provide protection but they also provide high visibility. FOB Shipping Point.