Better engine support: Traps carbon and metal particles that improve longevity and shield key components. Nano particles captured by our magnetic drain stop keep engine oil clean and reduce wear and maintenance. Firm seal with the transmission oil pan: This magnetic oil drain plug is equipped with a gasket, providing oil leak protection and a secure fit with the transmission oil pan for longlasting performance. Effortless installation: The engine oil drain stop is easy to install, requires no welding, and enables quick and convenient setup for each user. strength and durability: Made of aluminum alloy, it resists wear and is not easily corroded or deformed. Its strength ensures longlasting performance for efficient oil drainage in your vehicle. Use scenarios: During routine engine oil changes on passenger cars and light trucks to keep oil clean and protect components. In mileage or wearprone engines to capture particles and reduce maintenance needs. In vehicles where a secure, leakproof seal with the oil pan is a priority for reliable performance.