PROTEK® Wall-mount and double-hinge cabinets, type 4. Doors and body made of 14 gauge steel. Convenient studs provided on both door and body for bonding and grounding. Rack angles tapped 10 to 32 per EIA standards, made of 12 gauge. self-grounding plated steel. Window is clear, 0.25 inch thick, scratch and impact-resistant safety glass. Optional polycarbonate window (not plenum rated) can be field or factory-installed. Contact Hoffman Customer Service for factory installation. Twenty 10 to 32 screws included. Finish: pre-treated steel coated with RAL 7035 light-grey or RAL 9005 black textured, low-gloss polyester powder paint.