Set of 18 Slide Rail File Rails + Bonus This is a sale of slide rail files for clear files, including 18 rails and a bonus. ★ As a bonus, we will also include 2 file bodies, but they have some creases. Please check the photos. ★ There are no noticeable stains, but please understand that these items have been handled by someone before purchasing. ★ The opening width varies depending on the item. Please take a close look at the photos and check the opening width before purchasing. ★ For A4 and A3 sizes, mainly black and white, from various manufacturers. The black ones are mostly for thicker files.