42H-yellow column protectors, with 10 openning and 24 diameter, structural columns, protect fork trucks and other valuable equipment from costly damage and reduce personal injuries with these blow-molded high density polyethylene column protectors. Column guards absorb impacts up to an 8,500 pound fork truck, at 5 mph. Column protectors are weather, chemical and UV resistant. Stackable to expand protection vertically. Fits all types of columns. Column protectors install in seconds with 2 reflective straps.