Forster Co-Ax Primer Seater includes E-Z-Just jaws Red 11521. Unlike other seaters ours is designed so the operator can eliminate all slop when working with a specific cartridge. That translates into perfect seating reliable ignition and reduced misfires. No additional Shell Holders are required. The E-Z-Just jaws close to securely grip most modern rifle and pistol cases with a rim thickness of .045" to .072". Other features include a built-in primer flipper tray. Large and small primer tubes have an open slot and primers stack sideways for added safety. One of our customers said: "Wow All metal and machined You are still making such high quality products. The Co-Ax Primer Seater works so smoothly it seats (250) 30-06 cases in just one hour." P.B. Baltimore MD Specifications for Forster Co-Ax Primer Seater includes E-Z-Just jaws: Manufacturer: Forster Quantity: 1 Fabric/Material: Aluminum Color: Red Size: Large Package Contents: Forster Co-Ax Primer Seater includes E-Z-Just jaws Forster 11521: Co-Ax Primer Seater includes E-Z-Just jaws Red