Officemate Universal File Frame, Letter/Legal Size, Steel, 12 x 27 x 9 Inches (91997) For home office file cabinets 24 Inches to 27 Inches deep; holds file folders in drawer Feature breakaway notches every 1/2 Inches for adjustment Rails are 27 Inches long and have breakaway notches down to 24 Inches Heavy-duty, coated steel construction Steel frames meet federal specification