Lee Bullet Sizing Kits are the fastest and easiest way to size cast bullets. Standard 7-8x14" threads fit any single stage reloading press. Bullets are pushed through the sizing die nose first, so no special nose punches are needed. Gas checks are automatically seated and crimped in place. Sized bullets are captured in the special container. Complete for one size. Press and bullet lubricant are sold separately. Special note: Intended for use on single stage presses only. The push through Punch is used in place of a Shell Holder in the Ram. Lee does not make top punches for molds. With the use of this kit, a top punch is not necessary. To crimp gas checks with the lube and Mfg: Lee Precision