6 Competition Shellholder Set by REDDING RELOADING PRODUCTS Product Overview The new Redding Competition Shellholders are packaged in five piece sets. The 1 is for many different calibers including 223 WSSM 264 Winchester Magnum 257 Weatherby Magnum 6.5 STW 375 H&H Magnum Various Wildcat Cartridges The case contains 5 individual shell holders that are sized to 6 and increased incrementally by .002″ (+.002″ and +.004″. +.006″ and +.008″ and +.010″). This will give the reloader a precise fit for the variances in the individual cases. Each shellholder has a distinct black oxide finish and is clearly marked to indicate the amount it will decrease case-to-chamber headspace. You can now easily adjust the shoulder bump to customize cases to your specific chamber. *Please note* All defective returns must be made through Redding directly. You can visit their website by Clicking Here or call them at (607) 753-3331.