3G-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 & is protected with hardened steel rollers. Resistant to force drill pick & saw attacks & the thick striking box is painted to match the forend. Case size &8211; 73mm Backset. 44mm Bolt throw. 14mm. Finish Chrome.