Heavy-Duty File ShuttleAll-steel construction is designed to hold heavy files up to 100 lbs.—without wobbling or flexing. Rails adjust to hold data binders and hanging files from 9" to 15 5/8" wide by 16" high. Sturdy lower rack for additional files, ledger books or reference materials. Accommodates one Advantus® Companion Letter/Legal Portable File (sold separately). Color: Black; Capacity (Weight): 100 lbs.; Caster/Glide/Wheel: Four Casters.