Secure your plumbing system with our professional-grade 3-Inch Sewer Cleanout Cap. This versatile mechanical test plug combines the functions of a durable cleanout cover, a reliable end-of-pipe gripper, and a heavy-duty drain plug into one robust solution. Perfect for a wide range of residential and light commercial applications. Product Highlights & Specifications: ✔️ Precision Size: Fits standard 3-inch (approx. 7.62cm) sewer and drain pipes perfectly. ✔️ Superior Sealing: The mechanical gripper design expands to create a watertight and pressure-resistant seal inside the pipe. ✔️ Rugged Construction: Made from heavy-duty steel with a protective finish and galvanized hardware for long-lasting performance outdoors. ✔️ Multi-Purpose Use: Functions as a permanent sewer cleanout cap, a temporary test plug for pressure testing new lines, or a robust plug for basement floors, outdoor drains, and more. ✔️ User-Friendly: The large wing nut allows for hand-tightening, making installation and removal a breeze without specialized tools. Stop dealing with missing, broken, or leaking cleanout covers. Upgrade to a mechanical solution that guarantees a secure fit. An indispensable part of any plumbing toolkit for maintenance, testing, and repair projects.