Durable construction with hardened inner and outer threading provides a long lasting, reliable seal through repeated use in demanding environments. Specifically designed as a replacement plug for Rubbermaids Stock tanks models; streamlined installation minimizes downtime during tank maintenance or seasonal drainage cycles. Versatile for agricultural operations, livestock hydration stations, and industrial liquid storage where secure water containment is critical. Ideal for commercial farmers and industrial maintenance that require a drainage solution for capacity livestock watering systems. Use scenarios Farm troughs and stock tanks: installed to seal tanks during seasonal drainage or cleaning, enabling quick resealing and refill with minimal disruption. Livestock hydration stations: used as a dependable plug to maintain continuous operation while performing routine maintenance. Industrial liquid storage tanks: provides a durable closure for regular drainage and maintenance cycles, ensuring containment and safety.