The Knight Capper Decapper Tool Full Plastic Jacket is designed specifically for use with Knight muzzleloaders that use our Full Plastic Jacket ignition system. All Knight products are 100% American made. FeaturesUsing the Capper Decapper Tool makes putting the Full Plastic Jacket in your muzzleloader a snap!Specifically for use with Knight muzzleloaders that use the Full Plastic Jacket ignition systemCustom Molded In The USA!