120-3412-9 Caterpillar 3412 Unit Injector External Honing Tool Ultra Coarse
Introducing the 120-3412-9 Caterpillar 3412 Unit Injector External Honing Tool Ultra Coarse, the ideal solution for deep scratches inside the Caterpillar 3412 unit injector. When scratches are deeper, this tool is the go-to choice for efficient removal. Unlike the 120-3412-3 tool, this ultra coarse honing tool is designed to remove scratches faster, while still leaving a smooth surface behind.