The Hornady Custom Grade New Dimension 3-Die Set is a great die set for the avid reloader. This set includes Full Length Sizer Die, Expander Die, and Seater Die. The Full Length Sizer Die features a Zip Spindle, with a series of light threads cut on the spindle and spindle collet. This is designed to eliminate spindle slippage and makes tightening the spindle lock a breeze when making adjustments. The Seater Die is designed with a floating bullet seater alignment sleeve and seating stem that aligns the bullet with the case, to improve bullet seating and accuracy. Shellholder sold separately.