Hornady Sure-Lock Locking Ring 44000. The Hornady Die Lock Ring applies constant pressure across all threads to hold the ring securely in place. Because it clamps around the whole die This piece of gunsmith and reloading equipment won't damage the threads unlike other die rings which shove a screw directly into the threads. Because of this Hornady product's wrench flats you can remove and replace dies without ruining the lock rig with plier slippage. Hornady Sure-Loc Die Lock Ring lets you precisely adjust all standard 7/8" to 14" dies and accessories. Specifications for Hornady Die Lock Rings: Weight: 0.06lbs Die Size: 7/8"-14" Features of Hornady Sure-Loc Rings: Won't damage threads Clamps around entire die Allows for precise adjustments to standard 7/8-14" dies Wrench flats prevent plier slippage Package Contents: Hornady Sure-Loc Lock Ring 044000 Hornady Sure-Loc Lock Ring