The External Series range of products has been developed specifically for weather resistant applications. Special layers of polished chrome finish is applied to the outer housing and knob which are guaranteed to resist corrosion in normal weather conditions for up to 1 year .
Other key features clutched handle which protects against forced entry and lock damage, optional free passage function, an 8 mm square drive so it can operate a wide range of leading brands of lock.
Not suitable for coastal or saline areas.
BL5000 series without passage function, with F tumbler replaced by a coded or non-coded tumbler - number of combinations = 2048
BL5000 series with passage function - number of combinations = 1024