This pack of 5 replacement blades is perfect for those who need precision cutting for their automotive needs. The blades are compatible with a 1" Z cold knife and are made by the trusted brand Equalizer. The manufacturer part number is Z2. These blades are ideal for those looking for a reliable and efficient replacement for their old or worn out blades. They are made with high-quality materials to ensure durability and precision cutting every time. Whether you're a professional mechanic or a DIY enthusiast, these blades are a great addition to your toolkit.