PREMIUM DEADLOCK Finish : Black Powder Coated Finish. A premium deadlock is different from a regular deadlock, as it has a higher quality, performance, and design. Some premium deadlocks also have features such as anti-drill, anti-saw, anti-bump, and anti-snap protection. Specification : 2 turn feature dead bolt to ensure safety, 3mm thick forend plate, 1.5mm striking plate, Closed body construction, Can be fitted in door which is thick more than 30mm, A premium deadlock is a type of door lock that provides high security and durability