The Lee Breech Lock system allows reloaders to quickly change between dies. These quick change bushings with lock ring eliminator collar help to provide unmatched precision and convenience when adjusting dies. The split clamp positively locks reloading dies into position. These extra bushing allow the reloader to quickly check here and easily change dies in a matter of seconds. Just give get more info the bushing a small twist and remove get more info from the press. Dies fit inside the bushing and stay intact with the setting for the next reloading session saving valuable setup time.