The 41U Knockdown 4-Post Open Frame Rack by Kendall Howard is a powerhouse in adjustable open-frame knockdown racks. Crafted with the utmost precision, our unique and heavy-duty square tube steel design assembles effortlessly with just a few bolts, ensuring affordability, versatility, and seamless shipping. It arrives via ground shipping in a compact package ready for assembly. Trust the reliability and convenience of the 41U Knockdown 4-Post Open Frame Rack for all your racking needs. Fully adjustable rails from 7" to 33" Assembles in less than 45 minutes 2,000 lb. weight capacity 19" EIA compliant Made in the USA BABA Act Compliant Limited Lifetime Warranty Mount More Rails Unlike most 4-post racks that limit mounting options to only two sets of vertical rails, our innovative design offers the flexibility to add a third set of rails. This unique feature allows you to conveniently mount equipment with varying depths in the same rack, maximizing efficiency and convenience. Ships in Knockdown Position Our rack’s clever knockdown design enables us to ship the product as a compact package, minimizing shipping expenses while ensuring delivery to virtually any location worldwide. Height Adjustable Levelers Levelers are provided to ensure convenient and effortless installation, along with seamless adjustability for precise height customization. Front and Rear Rails Our 41U 4 Post Knockdown Rack includes two sets of adjustable 41U cage nut style rails.