3903 - Single Cylinder (Internal) Application For use with ASSA Modular, Rim, Connect and Narrow Profile lock cases. Specification Securing of Cylinder:The cylinder is fixed to the lock case with two hardened steel screws, supplied with the accessory set.ASSA accessories must be used.Cylinder Features:Enhanced plug pulling resistanceParacentric key way for resistance to picking and manipulation of system pinsBumping resistance Finish Available in satin chrome finish Standards Cylinders for LocksTested in accordance with BS EN 1303:2015Classification:160B0C6D* *when used with appropriate security escutcheon Fire RatedTested in accordance with BS EN 1634-1:2000Product range is suitable for use on fire resistant and smoke control doors. Downloads 3903 - Single Cylinder (Internal) (.pdf, 124 kB) Close 3907 - Single Rim Cylinder (External)For use with ASSA Modular, Rim, Connect and Narrow Profil… 3902 - Double CylinderFor use with ASSA Modular, Rim, Connect and Narrow Profil… 3901 - Single Cylinder (External)For use with ASSA Modular, Rim, Connect and Narrow Profil…