Lee Breech Lock Quick Change Bushing with integral lock collar provides unmatched precision and convenience when adjusting dies. Split clamp positively locks die into position. Includes 7/64" allen wrench. The Eliminator is being transitioned to hard anodized black aluminum. Thus giving you a better grip when removing from your breech lock equipped press and a added sense of security knowing that your die adjustments will not change when removing Pack of 2 Lock-Ring Eliminator bushings. Mfg: Lee Precision