The MAK-A-KEY Step Key Stock measures 3/8 inch by 5/16 inch and comes in a 1-foot length, made from high-quality zinc-coated material. This step key stock is designed for use in various mechanical applications, providing a reliable solution for keying in rotating machinery. Its oversized design allows for easy customization and fitting in keyways, ensuring optimal performance. The zinc coating offers excellent corrosion resistance, making it suitable for use in harsh environments. Ideal for automotive, industrial, and manufacturing applications.