column protector-9 round column Opening, 24H. Use for affordable warehouse and factory protection under fire extinguishers and absorb impact and fork truck damage. column guards absorb impacts up to an 8,500 pound fork truck, at 5 mph. These blow-molded, 100% high density polyethylene protectors, feature key-locks to precent slippage and assist installation alignment. Two halves attach with easy-to-use straps with no tools required.