Precision machined from solid steel then heat treated to perform flawlessly for the life of the press. They fit all other Hornady accessories including the Hornady Cam-Lock Case Trimmer and Hand-Held Priming Tool. These shellholders will also fit the presses of most other brands in the industry.Specifications and Features:Cartridge: 500 Linebaugh Long 1.6" (500 Maximum)Country of Origin: United States of AmericaExtended: NoMaterial: SteelPress Fit: Universal