Sturdy, self-contained storage system delivers mobility, accessibility and ease of use. Holds hanging clamps in pivot brackets for easy access. Base extends forward from 27 1/2″ to 37 1/2″. Large design supports up to 1,200 sheets in 12 hanging clamps (sold separately) to meet your filing needs. Rolls smoothly to wherever it’s needed on four 3″ ball-bearing swivel casters, two locking.