The Impact Bullet Puller comes with 3 different sized collects to allow you to pull bullets from almost any caliber from .22 Hornet to 45-70. The Bullet Puller works with both rimmed and rimless bullets, and a replacement aluminum collect set is also available (sold separately).The Bullet Puller is simple to use, one stern 'whack' is all that's needed to separate the bullet from brass.