Montana X-Treme Thread Adapter Kit for Shotguns and Muzzleloaders SPECIFICATIONS BRAND: MONTANA X-TREME CA PROP 65: YES DESCRIPTION Montana X-Treme Rod Adapters can be used for the following: 8 x 32 M to 10 x 32 F - Allows you to use a standard Montana X-Treme rod with muzzleloader jags and brushes 10 x 32 M to 8 x 32 F - Allows you to use Montana X-Treme Jags and Brushes on a muzzleloader rod. 8 x 32 M to 5/16 x 27 F - Allows you to use a shotshell brush on a Montana X-Treme rod.