Dura Trac® Self Supported flooring is available with or without legs in welded rod and expanded metal.  Custom built to your needs.  A variety of opening sizes available. Standard Welded Rod - 3/8"x 3" Opening 3/4" #9 Standard Expanded Metal - 1/2" x 7/8" Opening 1" #9 Standard Expanded Metal - 1/2" x 1" Opening 1-1/2" #6 Standard Expanded Metal - 3/4" x 1-5/8" Opening