The high grade aluminum body provides a strong and light weight structure and our “open frame” design, allows easy access to the components being assembled inside. The Aluminum front and rear panels are ideal for end user customization. The SA Series enclosures come flat packed and its unique “snap together” design requires only 4 screws to complete the assembly.FeaturesLight weight and strongVery durable all aluminum (AL 5052) constructionEasy to assemble, only 4 screws neededExtensive top/bottom and side/side ventilation“Open Frame” design maximizes user convenience for component assemblyTwo pieces of extruded aluminum general purpose bars for components fixing are included in the basic kit. Additional bars may be ordered as needed.Optional mounting plates for PCB and heavy components such as transformersOptional carrying straps can be installed by user for convenient handling.Standards and MaterialsConform to IEC-60 297-1.Premium grade (AL 5052) aluminum.Designed and manufactured under ISO 9001:2015 and ISO 14001:2015All materials RoHS compliant.Dimension:External: (1.5U) or Height 65 x Deep 178 x Width 203 mm.Internal: Height 61 x Deep 158 x Width 183 mm.Internal component mount bar install: Height -10 mm (1 cm.) If install top and bottom together: Height - 20 mm (2 cm.)(Need another size, please contact.)Parts List:Front Rear Panel x 2 Side Frame x 2Component Mount bar x 2Umbrella Phillips screw M3-6 x 4Top / Bottom Cover x 2Umbrella Philips dog point Screw M4-8 x 4 Rubber feet x 4