Enhanced leakproof design with reinforced thread, 8 mm thickened nut, and double rubber gaskets to ensure leakproof performance for Rubbermaid's Commercial Stock Tanks. Replacement plug designed for Rubbermaid's Stock Tank models; streamlined installation minimizes downtime during tank maintenance or seasonal drainage cycles. Sturdy construction with hardened inner and outer threading and industrialgrade durability to maintain a tight seal under repeated use in demanding environments. Ideal for commercial farmers and industrial maintenance requiring drainage solutions for capacity livestock watering systems. Use scenarios: Seasonal cleaning and drainage of Rubbermaid's Commercial Stock Tanks in cattle, dairy, or equine operations. Quick drainage during routine maintenance or repairs of capacity livestock watering systems on farms or feedlots. Reliable drainage solution for remote or temporary facilities to minimize service downtime during maintenance.