Hornady Sure-loc Die Locking Ring 7/8"-14 Thread - 1 pk.

Lets you make precise adjustments of all standard 7/8"-14 dies and accessories. Lock Ring clamps around the whole die, and can't damage the threads. Applies constant pressure across the threads to hold the ring in place. Wrench Flats allow to remove and replace dies without pliers ruining the lock ring. 1-pack.