The starter and add-on system has 1'' holes bored on center for maximum adjustability. Starter unit includes (2) uprights with no pinholes on outside, (2) top rails, (2) kickboards & bottom shelf. (1) upright with pin holes bored through, (2) top rails, (2) kickboards & bottom shelf. Add your choice of back, end panels, crown molding, shelves, slat rails and hangrods. There are numerous accessories and options available for these versatile shelving units.
