brass construction ensures durability and longevity for all your machining needs. Advanced surface treatment prevents leakage, providing a reliable and efficient magnetic hold. devised for stability, this magnetic chuck maintains a strong grip for extended periods, enhancing productivity. Versatile compatibility with various machine tools and equipment, making it ideal for a wide range of industrial applications. Fine magnetic pole gap and evenly distributed magnetic force prevent scratching, ensuring precision work on delicate materials., Manufacturer: EXUGNRAGH