Lee Shell Holders For Presses R4. The Lee R4 Press Shell Holder fits the 17 Rem 204 Ruger 222 Rem 7mm TCU and similar cases. Features of Lee R4 Shell Holder: Hardened Steel Manufactured to close tolerance for maximum accuracy Standard size for use with all reloading presses NOTE: Not for use with the Lee Auto Press Package Contents: Lee 90521 R4 Universal Press Shell Holder Lee Shell Holders For Presses R4