REVOLVER BARREL/FRAME DIES The Brownells Revolver Barrel/Frame Dies are precision tools designed for gunsmiths to accurately thread revolver barrels and frames, ensuring a secure and proper fit. Crafted from high-speed steel, these dies offer durability and maintain sharp threading capabilities over extended use. Key Features Material: High-speed steeL Compatibility: Specifically designed for Smith & Wesson® K Frame revolvers Application: Essential for rebarreling projects, whether installing factory replacements or custom barrels Threads: 5/40"-36 TPI Outside Diameter: 1" These dies are indispensable when rebarreling, as they ensure precise threading, maintaining the revolver's performance and safety standards. Incorporating the Brownells Revolver Barrel/Frame Dies into your gunsmithing toolkit provides the accuracy and reliability needed for professional-grade revolver maintenance and customization.