Odyssey ARR16 16RU Pre-Tapped Rack RailsKey Features Increase Equipment Placement Options Facilitate Rack Management The ARR16 16U Accessory Rackrails (Pair) from Odyssey Innovative Designs is a set of (2) pre tapped rackrails designed to facilitate the management of equipment in your enclosure. The rackrails are constructed of metal and feature a black finish. This model occupies 16U of rack height. Equipment Placement Use these rackrails to increase equipment placement options in your