Elkhart Semi-Automatic 1 ½" Hose Rack, one piece construction of 16 gauge steel - Rack pins, steel cadium plated - Patented automatic release mechanism allows valve to be opened without release of water until last fold of hose is removed - Rack capacity, 50 through 150 feet of 1½" unlined or lined standpipe hose Listed or approved by: Underwriters Laboratories, Inc.-Factory Mutual Laboratories-New York city Board of Standards and Appeals.