4N Corporation is a family-run business specializing in manufacturing high-quality grouser bars for heavy equipment used in mining and construction. Founded by Bernie Nerlich in the early nineties, 4N focuses solely on producing and delivering top-notch grouser bars made of high-carbon steel alloyed with manganese, chromium, and nickel. The company's bars undergo a proprietary heat-treating process, making them 30% harder than flame-hardened bars and ensuring durability in extreme environments. 4N Corporation sells its products globally through a network of distributors and is known for its commitment to fast service, quality products, competitive prices, and customer satisfaction.