Our popular Slim 5 Series rack frame system meets a wide range of project requirements. Available in 12 standard sizes and any height from 8 to 43 spaces, the Slim 5 series ships ready-to-assemble. Strong steel construction with wide open access for easy integration. - Lightweight, open design is easy to work with - Bolt-together design allows for flat shipment via UPS - Unique interlocking corner joint for exceptional strength and easy assembly - Accepts optional removable steel side panels for security and control airflow - Accepts optional attractive thermolaminate top and side panels - Top includes two laser knockout locations to mount cooling fans - Standard front and rear fixed 10-32 threaded rackrail with marked spaces