Design Features *Front Panel: .12" thick mill finish aluminum with "Surface Shield" protection. *Side & Rear Panels: .090" aluminum. *Finish - natural. Other finishes available on request *Shipped unassembled with all necessary assembly hardware. *Supports 25# equipment load (50# with optional rear mounting brackets) Optional Accessories *Internal Chassis: .090" aluminum, natural finish (see chart for Cat. Nos.). Can be mounted vertically or horizontally. *Handles: Chrome plated steel (see chart for Cat. Nos.). 2 required *Solid Top or Bottom Cover: .05" aluminum, natural finish. Can also be used on bottom as full depth chassis for mounting components. *Ventilated Top or Bottom Cover: .05" aluminum, natural finish, .12" X .75" slots for maximum ventilation. *Slides: Two-piece slide, 20" long with 15" travel. Supplied in pairs. (Order mounting brackets BAS-5106 separately) Requires two pairs of panel mounting rails. *Rear Mounting Brackets - 16 GA. steel used to support rear of chassis. Requires two pairs of panel mounting rails.