Hex Lock Nut: Insert, Nylon Insert, Grade 2 Steel, Zinc-Plated MPN:-34271-1

Freeze plugs provide a cost-effective solution to prevent freeze damage in liquid containers or pipes during extreme cold weather conditions by expanding when frozen liquids come into contact with the plug's interior core. These plugs consist of sturdy brass materials and measure 1.63 inches in length, suitable for vessels having a diameter range from 1.15 inches to 4 inches - covering wide variations of tank capacities making them ideal candidates not only during harsh winters but also summers seasonal changes where temperature fluctuations might damage contents within reservoirs, such as A/C systems; automotive radiators among various applications seeking leak prevention maintenance.