The Muzzle-Loaders CVA Breech Plug and Nipple Wrench is designed to assist in the breech removal of all CVA In-Line rifles. This steel wrench helps remove your breech plug with ease. A must for shooters with scoped muzzleloaders! This steel wrench makes it easy to remove 209, musket and #11 nipples, and breech plugs from any CVA in-line muzzleloader. Use the end with the larger opening to remove 209 nipples and breech plugs; use the end with the smaller opening to remove #11 and musket nipples. Steel handle included. Does not work for CVA Elkhorn, Optima, Kodiak or Wolf models. Not designed for use on 2010+ CVA inline muzzleloaders that feature a QRBP (Quick Release Breech Plug).