Redding Premium Expander Die Features This die uses a hardened steel neck expander plug with a graduated profile to gently expand and flare the case mouth. The result is smoother bullet seating and reduced runout. The micrometer-adjustable plug allows precise depth settings and consistent results making it a preferred choice for high-precision or competition pistol loads. Redding Neck Expander Die Specifications Manufacturer: Redding Caliber Compatibility: .32 S&W and .32 H&R Magnum Die Type: Premium Neck Expander Die Adjustment: Micrometer for depth control Thread Compatibility: Standard 7/8 14 reloading presses Material: Heat-treated Steel Application: Controlled case mouth expansion for precise bullet seating