Comprehensive kit for PPR plumbing: three stopper needles (1/2', 3/4', 1'), a release pin, a doublebar T wrench, and extra rubber sleeves. All essential tools in one package. Pressure seal technology: hotmelt water stop needles seal under 60 lbs of pressure without draining the system. Ergonomic design: a Twrench with an additional protective bar reduces torque energy and minimizes drips; comfortable grip for precise repairs. Durable and versatile: heat resistance suitable for indoor and outdoor use; effective on walls, corners, and other surfaces to seal cracks and leaks. Size and compatibility: designed for standard PPR tubing in 1/2', 3/4', and 1' sizes; multiple sizes cover common scenarios. Use scenarios: Leaking pipe where water supply is hard to shut off; seal without draining. Patch behind a kitchen wall where a hidden pipe needs a quick fix. Outdoor irrigation line or garden hose run needing a fast, weatherresistant .