What this tool does: A metal, double-ended internal thread opener designed to cut internal threads in PVC water pipes. It fits pipe diameters 1.27 cm and 1.9 cm (1/2 inch) and is intended for use with electric hand drills. Key benefits Faster, reliable threading: The double-ended design lets you switch sizes quickly so you can thread different pipe diameters without changing tools. Durable construction: Made of metal for long service life under typical home and light-professional use. Easy to use: Compatible with electric hand drills for steady, controlled operation that makes threading accessible to users with different skill levels. Practical for plumbing tasks: Produces clean internal threads that simplify assembly of fittings and connections during repairs or installations. What makes it stand out Double-ended metal design for convenience and durability. Direct compatibility with electric hand drills for faster, more consistent results than manual-only taps. Sized specifically for common PVC water pipe diameters (1.27 cm and 1.9 cm (1/2 inch)) used in household plumbing. Typical applications (practical use cases) 1. Home repairs: Re-thread damaged or unfinished PVC pipe ends to reinstall valves or connectors after replacing a section of pipe. 2. Routine maintenance: Create or restore internal threads on supply lines for sinks, toilets, or appliance connections during seasonal checks or replacements. 3. DIY and irrigation projects: Thread PVC pipes for garden irrigation manifolds or custom fittings when building or modifying small water distribution systems. How to use (concise) Secure the pipe firmly in a vise or clamp. Mount the appropriate end in an electric hand drill with steady, low-to-medium speed. Apply gentle, consistent pressure and rotate until the internal thread is cut cleanly. Inspect the thread for fit, clean debris, and install the fitting. Compatibility and performance notes Designed specifically for PVC water pipes sized 1.27 cm and 1.9 cm (1/2 inch). Intended for use with electric hand drills; use appropriate drill speed and steady control to avoid damage. Metal construction supports repeated use on common household plumbing tasks. This tool is a compact, practical addition to a homeowner’s or tradesperson’s plumbing kit when you need quick, reliable internal threads in common PVC water pipes.