The Tetra Gun Bore Boa is a professional gun care cleaning kit designed specifically for .357 Magnum ,.38, 9MM caliber pistols. Made by the brand Tetra Gun, this product originates from China. Its purpose is to effectively clean and maintain the bore of your firearm, ensuring optimal performance and longevity. Perfect for hunters and sporting goods enthusiasts, this cleaning kit provides a comprehensive solution for keeping your gun in top condition.