Lee Bullet Sizing Kits offer a fast and easy way to size cast bullets, designed to fit any single-stage reloading press with standard 7/8-14 threads. Bullets are pushed through the sizing die nose-first, eliminating the need for special nose punches. The kit automatically seats and crimps gas checks in place, making the process more efficient. Sized bullets are captured in a special container for easy collection. Each kit is complete for one bullet size, with the press and bullet lubricant sold separately. Intended for use with single-stage presses only, the push-through punch replaces the shell holder in the ram. Lee does not produce top punches for molds and with this kit, one is not necessary. To crimp gas checks, first lubricate the bullets with liquid Alox, place the gas check on the bullet's base and position it on the punch. As the bullet passes through the sizing die, it will be sized and the gas check crimped securely in place.