Hornady Precise machining allows accurate reloading by offering easier adjustments better alignment and smooth functioning. With one of the finest internal finishes in the industry HornadyA(R) Custom Grade and Match Grade Dies provide a lifetime of reloading. Hornady Custom-Grade New Dimension Dies are one of the most advanced reloading dies available today. The Zip Spindle design features a series of light threads cut on the spindle and spindle collet. This design eliminates spindle slippage and takes the knuckle busting out of tightening the spindle lock while making spindle adjustments a snap. Built-in crimper gives the option of crimping without the need for an extra crimp die. Guaranteed never to break or wear out for from normal use. Hornady Single Full Length Sizer Die for Custom Grade New Dimension Series I 2-Die Set ( Item PC546351)