The RackSolutions 2U Universal Rail 20in Depth is designed to support a wide range of equipment with its robust 200 lbs (91 kgs) capacity and adjustable depth ranging from 10" - 24" (254 - 609.6 mm). This universal rail kit is compatible with racks featuring square, round, or threaded holes, offering flexibility and ease of installation. Constructed from durable 18 GA steel and zinc plated for added corrosion resistance, these rails serve as a reliable alternative to OEM slide rails and are compatible with Dell, HP, and IBM equipment.