Fasten on top of lateral file to maximize storage space (mounting hardware incl) Shelf adjusts at 1-Inch increments; when centered, accommodates 12-Inch high binders above and below Slide-by doors for quick access to contents Use with optional HON lock kit (sold separately) to secure contents File Cabinet Type: Lateral; File Size Format: N\A; Media Stored: N\A; Width: 42-Inch