STURDY CONSTRUCTION: Rugged steel construction with 16U space, 19-inch width, assembly required VENTED SIDE PANELS: Both side panels are vented to promote maximum ventilation EASY TRANSPORTATION: With four heavy-duty casters, the rack case can be easily moved around VERSATILE APPLICATION: Perfect for audio and video equipment, server, network devices and venues such as studio, network center, home theater and etc. INCLUDES FRONT AND REAR LOCKING MESH DOORS: Comes with front and rear locking mesh doors, providing passive cooling, enhanced security, and cable management holes for a tidy, organized setup.