New tapered design allows easy case entry. Machined to very close tolerances to fit your cases perfectly and eliminate potential problems. The universal design fits all popular presses. Only Redding Shell Holders are heat treated and have outside knurling to make them easy to handle and change. To find the shellholder that fits your cartridge, see our Redding Shellholder and Die Chart (pdf). Then, choose that shellholder from the Drop Down menu above.