The Everbilt 3/8 In. FIP Brass Cap is a plumbing fitting designed for sealing off the end of a pipe. Made of corrosion-resistant brass with a brushed finish, this straight-shaped cap has a 3/8 inch female iron pipe (FIP) thread for easy installation. The set includes an adapter for added versatility when connecting different pipe sizes. Ideal for home improvement projects, this brass cap ensures a secure and long-lasting seal in plumbing systems.