The SQ MACH KEY KIT includes 30 square machine keys designed for secure fastening in various mechanical applications. Manufactured by Double HH Manufacturing, these keys are crafted from durable materials to ensure longevity and reliability. The assortment provides a variety of sizes, making it suitable for different machinery and equipment. Ideal for use in industrial and automotive applications, these machine keys are essential for maintaining secure connections and ensuring optimal performance. This kit offers convenience for maintenance and repair tasks, making it a valuable addition to any workshop.