A tool that is comprised of five basic components that are scaled to fit a range of plumbing piping from 2" to 15" in diameter; a rubber plug, a spacer, a locking mechanism, a fulcrum and a lever that is hand-powered that have a specialized application that safely isolates plumbing drainage lines for multi-floored commercial projects during construction without the risk of dangerous pneumatic bladders or water leakage. The tool is designed to be used by a single commercial plumber without the...