Lee Precision has been manufacturing high quality, affordable reloading equipment since 1958. Lee Breech Lock Carbide 4-Die Set includes colored spline drive breech bushings for easy die identification, 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: For Breech Lock enabled presses only