This background support systems has been developed to meet the special requirements of photographers. Comes with interlocking 4 section crossbar. and a handy carrying bag with compartments. Collapsed it is 40.5" and extends up to 10' high with crossbars that extend to 10.5' across. Where the Top of the stand meets the crossbar there is a screw and wing nut to keep the crossbars secured to the stands. This three-piece unit is ideal for supporting 53" or 107" background paper, muslins, quilts, drapes, display panels, etc.