Redding Reloading 404 Shellholder Steel. Additionally these shell holders are precision-machined to very close tolerances to ensure a perfect fit for your cases and to eliminate any potential problems. Not only are Redding E-Z Feed Shell Holders available in a variety of sizes but the universal design of the shell holder itself ensures that it fits all of the most popular reloading presses. These shell holders are also heat-treated and made with outside knurling so they are both easy to handle and easy to change. Specifications for Redding Reloading Shellholder: Manufacturer: Redding Reloading Quantity: 1 Package Contents: Redding Reloading Shellholder Redding Reloading 11404: 404 Shellholder Steel