This high-quality filter wrench is designed to fit Cummins engines K19, K38, K50, QSK, NT14, and NT855. Made in China, it is an essential tool for any heavy equipment owner looking to maintain their equipment's performance. The wrench is compatible with a variety of heavy equipment parts and accessories, making it a versatile addition to any toolbox. Its durable construction ensures that it will withstand even the toughest jobs.