Cleaning Kit for pistol, Available in Any Caliber, Contains Bristle and bronze Brush.wool brush Cleaning Kit for pistol, Available in Any Caliber, Contains Bristle and bronze Brush.wool brushKey Specifications/Special Features:Kit contains 2-section solid brass rods, bristle, bronze brush.wool brushCleaning kit for pistolAny caliber is available pistol parts.. Fits the majority of pistols.