This pack of 5 high-precision replacement cold knife blades with a 1-1/2" Z coined design is perfect for any Equalizer brand user. The blades are made in the United States and are designed for use with other automotive hand tools. These blades are ideal for those looking for a reliable replacement without sacrificing quality. The manufacturer part number for these blades is Z6, and they are compatible with a variety of automotive tools. The blades are made from durable materials and are designed to last for a long time. With this pack, you can ensure that you have a sharp and precise tool for any cutting task.