EIA compliant 19” center pivoting wall mount rack shall be Hammond Manufacturing, HWMR Series, part number HWMR____UBK (refer to table). Rack shall ship unassembled. Overall dimensions shall be 20” W x __” H x 18”-24” D (refer to table), with a useable rack height of __ rack units (refer to table). Weight capacity shall be 220 lbs. Useable depth shall be variable from 15.1” to 21.1”. Top and bottom rack units shall have a useable depth variable from 12.4” to 18.4”. Rack rail and braces shall be constructed of 12-gauge steel, all other components shall be constructed of 16-gauge steel. Rack shall contain EIA compliant square-hole rails with rail unit space markers. Rack shall be phosphate pre-treated and finished in smooth black powder paint. Rack frame shall pivot at the center to provide access with exceeding rack footprint. Rack shall contain three (3) spring pin positions to allow for easy maintenance access. Wall mounting template for 16” center installation shall be included. Rack cabinet shall comply with the requirements towards RoHS EU Directive 2011/65/EU. Rack cabinet shall be manufactured by an ISO 9001 registered company.