Feature: 1. Comply with ansi/eia;rs-310-d;din41491;iec297-2;din41494; part7; gb/t3047.2-92 standard; compatible with 19í¦ international standard, metric system and etsi standard. 2. Reliable structure, static loading capacity:500kg(optional castors and plinth) 3. Adjustable feet and castors are available, moving conveniently, and fixing reliable. 4. Baying together easy, quickly efficiently and firmly. 5. International popular tempered glass front door, steel rear door. 6. Optional cable entry on top cover and bottom panel, removable front&rear door and side panel facility, ventilation and rat-proof on the bottom. 7. Varies optional accessories, reliable quality. 8. Optional opening hole and varies specification upon customers' special requirements. Pp+foam+carton