Kwikset Signature Series Hancock Keyed Entry Single Cylinder Knobset Elegance meets durability in the traditional Hancock. Its look, as well as its workmanship is designed to last. This single cylinder knob locks/unlocks with a key on the outside and a turn button on the inside. Includes Standard Round Corner Strike Plate Part Number 83796 (Strike Plate is on Door Jamb) . For Square Corner Strike Plate See Product: Kwikset 83437. For a T-Strike Plate See: Kwikset 83028. There is an optional kit available for 2-1/4" thick doors, see product ID 81714. Decorative Circular Shaped Knob ANSI/BHMA A156.2 Grade 2 Security Anti-pick 6 Pin System
Finally I found this Kwikset 740H Signature Series Hancock Keyed Entry Single Cylinder Knobset iron black Knobset Single Cylinder, thanks god. It has really good lasting. Kwikset 740H Signature Series Hancock Keyed Entry Single Cylinder Knobset iron black Knobset Single Cylinder requires almost no maintaince.