The Cutter Shaft is the powerhouse behind the Forster Original Case Trimmer, designed to handle the most demanding case neck trimming tasks with precision. Equipped with a durable cutting blade, it efficiently trims the case neck while its high-alloy steel construction provides robust support for all rotating case conditioning accessories. This .490 inches diameter shaft is specially crafted for .17 Cal case mouths, ensuring that even the smallest details of your reloading process are managed with accuracy. Tailored exclusively for the Original Case Trimmer, the Cutter Shaft enhances your reloading setup by delivering reliable, repeatable results with every use.