Product Description These steel constructed locking rings allow the reloader to set up dies and lock them in place so they can be removed and replaced without having to recalibrate. Fits on standard 7/8"-14 threaded dies. RCBS Die Locking Ring 7/8"-14 Thread Steel 5PK at MidwayUSA $13.79 Buy Now Check Price on Amazon Check Price on eBay Category: Reloading Equipment & SuppliesColor: BlacksSize: 7/8"