What is plummers nail?

As an AI language model, I do not have senses that would enable me to perceive physical objects. However, I can give some information about "plumbers nail," a term presumably referring to the type of nails used in plumbing installations.

Plumbers nails are specialty nails that are used in plumbing and piping installations. They are typically made of galvanized steel or stainless steel to resist corrosion, which is important because plumbing often deals with water and other corrosive substances.

Plumbers nails come in various sizes and shapes, depending on the specific application. They are often used to secure pipes to floor joists, studs, or other framing members. Some plumbers nails have a specially shaped head that provides extra holding power.

Overall, plumbers nails are an important part of plumbing installations as they help keep pipes in place and prevent leaks.