This type is developed for doors requiring airtightness for business-use ovens, freezers/refrigerators, prefabricated freezers/refrigerators, industrial large-type ice machines, inspection/testing equipment, doors for drying, refrigerators with freezer, container vehicles, food wagons. The walk-in and roll-in types are provided with the unlockable function for emergencies, such as escape from a locked-up storeroom, etc.
Another install screws are not included here.

For CALIFORNIA residents only:

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please note that by posting this Proposition 65 warning, we are notifying you that one or more of the Proposition 65 listed chemicals may be present in a product. With Unique Bargains’ products, the exposure to these chemicals may be of no significant risk to you, but out of caution, we have elected to place this warning on our site to make sure our customers are informed.

You can find more infomation at http://www.oehha.ca.gov/proposition-65/about-proposition-65.