Lee 577 Snider Large Series (1 1/4x12 thread) 3-Die Set for 577 Snider. Includes Full Length Sizing Die, Bullet Seating Die, Powder Through Expanding Die, Shell Holder, and Instructions.
Adaptor bush to convert 1 1/2x12 press thread to 1 1/4x12 thread is available to use these dies in other brand presses such as hornady etc lee product number 91697