Steel Roll Files are excellent for anyone who is looking to store any rolled blueprints, documents, or material. Stackable and a small overall footprint, we find these work excellent on desks, floors or even a pickup or work vehicle. Supplied with a locking door your drawings and documents are safe and secure. These are a very cost effective solution for the durability and security you will receive. We consider these to be a very straightforward, no frills solution to storage that provide tons of durability and longevity at a great price. Every office should have at least one.