JUNGHWA Key- and Button-Locking Door Knobs 3300CHOICE (White)

Key- and Button-Locking Door Knobs  3300CHOICE (White) Choose these knobs if you need knobs that each open with a different key. Once the outside knob is locked with the button on the inside knob, turn the inside knob to release the lock or unlock it with a key from the outside. These are also known as entrance knobs. Key Cylinder Kwikset System 6 Pin, KD / KA / MK Latch * Latch bolt : 1/2" (12.7 mm) * Dead bolt : 1" (25.4 mm) Function ENT / STR / PRI / PAS Finishes PB / SB / AB / SCR / PCR / GOLD / GREY Front Brass , Steel Material, 25mm x 57mm Strike Brass , Steel Material, 28mm x 70mm Backset 60mm Packing Box Pack Door Thichness 35~45mm