Lee Precision Ultimate Lock Rings 3-Pack

Ultimate Lock Rings Features Lee started with custom extrusion of high strength aluminum with a splined exterior surface. They split the ring and added a cross bolt that when even lightly tightened applies a vice like grip on your dies. No tiny set screws that easily strip or damage your die threads. Then added the famous Lee "O" ring because no matter how securely you have the lock ring clamped to the die it will loosen in the press during operation without the friction of the "O" ring. The