The Hornady New Dimension Series II Three Die Set for 10mm Auto and S&W .40 546533 is a meticulously designed set of reloading dies that will significantly enhance your hand loading process. This well-crafted three-piece set is brimming with features that transform the reloading experience into a hassle-free task. One of the standout features of this set is the Hornady Zip Spindle design. This patented feature includes light threads running the length of the spindle collet, which effectively eliminates slippage when tightening the spindle lock. This ensures that every adjustment is precise and secure. Another prominent feature is the polished elliptical expander, which expands bullet casings seamlessly without the need for an additional die, providing a smooth case neck release every time. Adding to its versatility, the Hornady New Dimension II set includes a sliding adjustment sleeve and a built-in crimper, ensuring that even minute adjustments are effortless and reliable. The set is further enhanced with several smaller but equally important components such as wrench flats, a compression washer, a durable steel decap pin, and a removable retainer ring. These features collectively contribute to the overall efficiency and ease of use of this reloading kit. In short, the Hornady New Dimension II Three-Die Set for .40 S&W and 10mm Auto is an essential tool for any serious reloader. Its combination of innovative features and robust design guarantees dependability, durability, and exceptional performance.