Lateral file features full-width radius-style pull handles for easy extension, core removable locks and three-part, telescoping, ball-bearing slide suspension, Mechanical interlock allows only one drawer to open at a time, Fixed-front drawers accommodate letter-size or legal-size filing from side-to-side, Front-to-back filing is optional, Lateral file is certified by SCS to be in compliance with specific indoor air quality emission requirements, Meets or exceeds applicable ANSI/BIFMA standards, SKU: SPRCH30518