Lee 40 S&W Pistol 3-Die Set includes Carbide Full Length Sizing Die, Bullet Seating Die, Powder Thru Expanding Die, Universal Shell Holder, Powder Dipper and Instructions/Load Data. Can be used to load the 10mm Auto. Back out the bullet seating die and powder through expanding die 1 3/4 turns. 10mm Load Data is found in "Modern Reloading" or available for purchase here. Specifications: Weight: 1.2 lbs Dimensions: 5.8 x 4.8 x 1.5 in Brand: Lee Precision Caliber: 40 S&W