Rugged and Dependable - General Devices Adjustable Mounting Support Brackets are constructed of steel. They offer users the ability to mount and access non-rack mountable equipment. The chassis support angle permits immediate removal of a chassis or any piece of equipment. This is an economical angle chassis support for use where it is not necessary, or desirable to have a slide support installed. Mounts easily to the front and rear cabinet rails to provide full chassis depth and mounting support.