Sinclair International ( Brownells) Skips Die Shims .25-.30 Cal. (Wilson-22475)

This set of 10 shims for allows changes in seating depth when using a Wilson seater die without a micrometer top. The set includes .003 inch to .020 inch shims that are notch marked for easy size identification. Set up your seater with a middle thickness shim and increase or decrease seating depth without changing the initial stem setting. Not needed if you have a micrometer top or die.