Designed to allow you to install HID bulbs on your factory headlights:
SOLD AS A PAIR, You get TWO
H7 - FOR VW JETTA MK5, VW Golf V (For Visteon Headlights (Possible)) and most VW Toran. VW Rabbit
If you have - Visteon headlights, please make note.
This model does have the slit - Please look at the picture (Notice the slit)