- Heavy-duty build: This 16-inch chain wrench features a robust carbon steel body with manganese steel chain links for high strength. It handles pipes and fittings from 1.5 in to 7.5 in in diameter. - Versatile and surface-friendly: It securely grips round objects without marring surfaces, making it suitable for automotive repairs, plumbing work, and general home maintenance. - Reversible operation: The bidirectional design allows easy switching between clockwise and counterclockwise operation for tight spaces or stubborn fittings. - Controlled torque and surface protection: The chain links grip firmly around pipes and fittings without damaging surfaces, enabling controlled torque during disassembly and installation. - Use scenarios: - Loosening seized plumbing joints in sinks, showers, or radiators. - Tightening or removing pipe connections during plumbing upgrades. - Working on automotive exhaust clamps, fuel lines, or other round fittings in a shop.