Superior Tool's Plumber's Pal Professional Drain Wrench makes easy work of tightening or loosening strainer drains typically found in sinks. The tool also features a squared end specifically designed to tighten stand-up shower drains. Plumber's Pal's uniquely engineered slots and tabs fit most locknuts on major manufacturer's plastic and brass strainer drains. Work in tight spaces with the cushioned offset grip handle.