PROTEK™ Double-hinged cabinet, type 12. Front and rear access to 19 inch rack equipment provided by three-part design: door, center section and wall section. Window door, made of scratch-resistant safety glass, provides visual monitoring of internal equipment while maintaining equipment protection. All seams are fully welded and ground smooth. Doors, center section and wall section are provided with ground studs to facilitate proper bonding and grounding of the cabinet. Premium seamless, foam-in-place gasket prevents contaminants from entering the cabinet. Key locking wing knob is included on painted steel cabinet, providing access control to the cabinet, two keys are included with each cabinet. Stainless steel cabinet is provided with a quarter-turn slotted latch. One set of plated, self-grounding, tapped 10-32 rack angles per EIA universal spacing standards, which can be adjusted front to-back, is provided with each center section of the cabinet, additional tapped- or square-hole rack angles can be added to the cabinet to provide additional mounting. Wall section welded panel studs which accommodate standard panels (steel and wood available). On 28 inch (700 mm) wide enclosures, a 4 inch vertical cable manager with composite fingers is provided on hinge side of cabinet. Doors made of 16 gauge, center and wall sections made of 14 gauge steel. Stainless steel enclosures made from type 304 stainless steel. Window made of 0.25 inch thick, scratch- and impact-resistant safety glass. Rack angles made of plated 12 gauge steel. M6 ground studs on door, center and wall sections are masked from paint. Twenty 10-32 screws included with cabinet. Foam-in-place gasket made of durable polyurethane. Finish: Pre-treated steel coated with RAL 7035 light-grey, low-gloss, lightly textured polyester powder paint. Stainless steel is provided with a smooth-grain finish.