The Lee Custom Over-Run Bullet Sizer & Punch is a versatile tool that efficiently sizes cast bullets while also seating and crimping gas checks, ensuring consistent and reliable ammunition performance. Designed to be used with the Breech Lock Bullet Sizer Kit, it is compatible with any Breech Lock-enabled reloading press, making it a valuable addition to your reloading setup. To fully utilize this kit, you will need Lee Liquid Alox, a reloading press and the Breech Lock Loading Kit, each sold separately. This combination of components delivers precision and ease of use, ensuring optimal results every time.