Uses all machine screw & PEM nut construction, perfect for applications where repetitive assembly and disassembly are required. Light weight design - all aluminum, type 5052 H32 for easy modification. Example: the 19" rack mountable enclosure (RMCS190313BK1) shown in the left photo above - weighs only 5 pounds (2.3 Kg). Strong design construction using: 0.125" (3.2 mm) thick - side panels & rack mount brackets 0.064" (1.6 mm) thick - front & rear panels 0.062" (1.6 mm) thick - top and bottom panels Can be used with or without rack mounting "ears" or brackets (included). Enclosure is finished in rugged, satin texture, black powder paint Includes top, bottom, side panels, front & rear panels, rubber self adhesive feet, rack mount brackets and all hardware Pull handle accessory kit available Easy access to inside, only 4 screws need to be removed from any of the 6 panels for internal access. Internal aluminum chassis panel is optional (see below). Knockdown design ships unassembled for easy handling and shipping protection. Note: Panels are not grounded to frame due to powder coat finish. Grounding method to be determined by user. RoHS Compliant. Manufactured in North America.