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 turned from a solid piece of steel and the lock ring is integrated into the design of the part. Thus giving you a better grip when removing from your breech-lock equipped press and an added sense of security knowing that your die adjustments will not change when removing. Pack of 2 Lock-Ring Eliminator bushings.