Telescopic handle and sturdy wheels give you easy mobility, while the electronic digital combination lock provides ultimate security. Powered by a 9V battery (sold separately), the lock also includes a key as a secondary-access backup. Chest’s built-in rails accommodate letter or legal hanging files. Sleek ABS panels provide an attractive, very durable exterior. Chrome corners, aluminum trim and card holder deliver additional strength and protection as well as labeling convenience. Telescopic handle extends to 32″. Chest also includes side handles. Box Type: File Tote; Strength: Medium-Duty; File Size Format: Letter/Legal; Width: 14.5″.