Union 3G110 C Series 5 Detainer Deadlock 73mm Satin Chrome3G 110 C Series 5 detainer deadlocks are for use in high security applications for timber doors hinged on the left or the right up to 50mm thick. The detainer style lock provides a higher number of key combinations than lever locks. The deadbolt operation can be operated from either side and is protected with hardened steel rollers. Resistant to force, drill, pick and saw attacks and the thick striking box is painted to match the forend. Case size