Upgrade your die sets for smoother, lubrication-free inside neck sizing with the Carbide Size Button Kit. Designed for bottleneck cartridges from 20 to 338 Cal, this kit features a carbide size button that floats freely on the decapping rod, allowing it to self-center in the case neck for precise and effortless sizing. Each kit includes the carbide size button, a retainer and a spare decapping pin to ensure optimal performance. Compatible with all type-S dies, this upgrade enhances the reloading process by providing greater ease and consistency in sizing your cases.