The Key Set (Steel) (6600) from REX International USA Inc is a comprehensive collection of high-strength steel keys designed for various applications. This set includes multiple sizes to accommodate different machinery and equipment, ensuring versatility in use. Each key is crafted from durable steel, providing excellent resistance to wear and tear. Ideal for securing components in place, this key set meets industry standards for quality and performance, making it a reliable choice for professionals in the manufacturing and engineering sectors.