Satin Nickel Zinc Alloy Tubular Keyed Entry Door Lever Handle Lock with Keys for Main Door Lock

Entrance/Office lock

Both knobs locked or unlocked by outside or turnbutton inside

Classroom lock

Outside knob locked or unlocked by key outside.inside always free providing emergency exit.

Privacy/bed/bath lock

Both knobs locked or unlocked by key outside or turnbutton inside or emergency key outside.

Patio lock

Both knobs locked or unlocked by outside or turnbutton inside.closing door does not release botton.

Communicationg lock

Both knobs locked or unlocked by key in either knob.Turning key locks or unlocks its own knob independently.

storeroom/vestibule

Outside knob unlocked only while key is inserted and turned.pull key locked.inside knob always free providing emergency exit.

Exit lock

Outside knob rigid.the inside knob is always unlocked providing emergency exit.

Single dummy trim

single dummy trim for one side of door.