The muzzle-loaders.com web site says they have both the CVA regular stainless and black coated stainless BH 2009 breech plugs in stock. The description for both say they come with an installation wrench, although my son ordered one from them a couple of months ago and it did not come with the wrench. You can also install them by wrapping the knurled outer portion with duct tape and using a small pipe wrench or large vice grips.