REDDING COMPETITION SHELLHOLDER SET Now you control the headspace. The new easy to use Redding Competition Shellholders enable you to perfectly match the headspace of your reloaded ammo to any gun. Once the proper shellholder is determined your results are repeatable and no die adjustment is necessary. The Redding Competition Shellholders are packaged in five piece sets in .002" increments (+.002", +.004", +.006", +.008" and +.010"). Each shellholder has a distinct black oxide finish and is clearly marked to indicate the amount it will change case-to-chamber headspace - no special tools or gages are needed. Packaged in five piece sets in .002" increment. You can now easily adjust the shoulder bump to customize cases to your specific chamber. REDDING RELOADING EQUIPMENT: For nearly 80 years Redding Reloading has been at the forefront of the Reloading Equipment marketplace. With innovative and high-quality products, Redding Reloading is committed to providing gun owners with the utmost in dies and accessories. Thanks to an ever evolving and growing market, Redding is sure to have the perfect presses and accessories for your particular gun make, model, and design.