What is fein?

To provide information about "Fein," it would be helpful to have more context, as "Fein" could refer to a variety of things. Here are a few possibilities:

1. Fein (Tool Brand): Fein is a well-known German manufacturer of power tools. Founded in 1867 by Wilhelm Emil Fein, the company is renowned for its high-quality professional-grade tools, including grinders, drills, and, notably, the oscillating multi-tool. The MultiMaster, an oscillating tool, is one of their popular products.

2. Sinn Féin: Sinn Féin is an Irish political party with a history of advocating for Irish republicanism and the unification of Ireland. The party has historically been associated with the Irish nationalist movement and played a significant role during the Northern Ireland conflict known as "The Troubles." Today, it is one of the major political parties in both the Republic of Ireland and Northern Ireland.

3. Federal Employer Identification Number (FEIN): In the United States, a Federal Employer Identification Number, also known as an Employer Identification Number (EIN), is a unique identifier for businesses, similar to a Social Security number for individuals. It is issued by the Internal Revenue Service and used for various tax administration purposes.

If you can specify which "Fein" you are referring to, I can provide more detailed information.