What is a "Tulip" Key

The term tulip in this instance refers to the shape of the door knob.

Gallo is the "family" name of the knob, it's just a name Lowe's gives each different style. Tulip is the actual shape of the knob. If you look at the knob for the side, it "sort of" looks like a tulip bloom. The "key" is a KW1 key. This is an item for use on your front, back or garage door for security purposes and requires a key to unlock from the exterior.