A piece of Kafr in the shape of a nail

A Kafr patch in the shape of a nail covered with glue to block the vent hole, comes in a box of 40 pieces, each piece of a different size, and is placed at the vent hole according to the appropriate size. It also comes with a screwdriver (screwdriver) to tighten the nail without the need to search for a screwdriver. A distinguished product and should be in every car.