PREMIUM LOCKBODY - 45MM Finish : Black Powder Coated Finish A premium lockbody is a type of lock that is installed inside the door and provides security and durability. There are different kinds of premium lockbodies, such as mortise lockbodies and magnetic lockbodies. Mortise lockbodies have a deadbolt and a latch that are operated by a handle or a cylinder. Specification : 2 turn feature dead bolt to ensure safety, 3mm thick forend plate, 1.5mm striking plate.