This screw is sold individually.
This gasket is gray and is made of a spongy material. This gasket is used for many air conditioners. It will come to you at the length you specify: one foot, two feet, whatever you require. When ordering over the internet, requesting a quantity of one will result in you receiving one foot of this gasket. Requesting a quantity of two will result in you receiving two feet of this gasket, and so on.