Lee Steel 3 Die Set W/Shellholder For 400 Corbon 40723. Three die handgun steel die sets consist of a steel sizing die (requires case lubrication) a powder through expander die and a seater crimper die. Generally this option is chosen for calibers that have a design other than straight walled because carbide is not practical for such designs. Specifications for Lee Steel 3 Die Set W/Shellholder For 400 Corbon 90430: Manufacturer: Lee Caliber: .400 Cor-Bon Quantity: 3 Color: Silver Additional Features: Steel 3-Die Set Pistol Fabric/Material: Steel Gun Type: Pistol Package Contents: Lee Steel 3 Die Set W/Shellholder For 400 Corbon 90430 The Lee Steel 3 Die Set W/Shellholder For 400 Corbon 90430 is a quality addition to the Lee Precision lineup. For more great deals on Pistol Reloading Dies by Lee Precision please browse our Lee Reloading Equipment page. Lee Steel 3 Die Set W/Shellholder For 400 Corbon 40723