Lee Precision, 90063 Spline Drive Breech Lock Bushing, 2 Pack;

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-Inch 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 a added sense of security knowing that your die adjustments will not change when removing. Pack of 2 Lock-Ring Eliminator bushings.