This heavy duty surface mounted Prison Hinge 605 is designed for use with the heaviest doors. Hinge is 5″ X 6″ X 1/2″ thick cold rolled steel. This 800 lb. capacity hinge features self-lubricating radial and thrust bearings for ease of operation in high use areas and hardened alloy steel pin for added security. Available for full surface, full mortise, half mortise, and gap applications. Available with shortened leaf and/or holes (contact Airteq).