1 Hole Plug, this one is most commonly used for drain holes on the floor, though it will also fit some other locations. Plug Is 20mm Id x 30mm OD or approx. .75" x 1.125" to see if its appropriate for your intended location.
Genuine parts
Fits: All Mk1
Mk1 Golf 74-83
Rabbit 75-84
Rabbit Pickup 79-84
MK1 Caddy 83-92
Rabbit Convertible 79-84
Cabriolet 85-93
Scirocco 74-92 ( North American and European Market)
