ABLOY® T-handle cylinders provide maximum resistance to pulling. This heavy duty design features a precision steel latch that provides over 4,000 pounds of pull strength, far surpassing the strength of ordinary die-cast latches. The extra thick, case hardened steel sunken face resists extensive drilling. In addition, the keyway is constructed of hardened steel and provides added protection to the face of the lock. This design allows the option of a standard spring latch (CL290E) or an optional dead latch (CL291E). ABLOY® T-handle cylinders fit all NAMA specified T-handles.