Lee 38 SPL Pistol 4-Die Set. Includes Carbide Full Length Sizing Die, Bullet Seating Die, Powder Thru Expanding Die, Carbide Factory Crimp Die, Universal Shell Holder, Powder Dipper and Instructions/Load Data.
Note: you may use the 38 Special die set to reload for the 357 Mag. You would have to back out the Powder Thru Expander Die, and the Bullet Seating and Crimping Die about 2 turns to compensate for the longer 357 case.