Breakthrough Clean Technologies, Penny Pincher, Cleaning Kit, .22-.45 California Prop 65 WARNING. These products contain a chemical known to the state of California to cause cancer, birth defects and other reproductive harm. Lead: Cas-No. 7439-92-1 Stainless steel rod, T-handle, patch holders, various bore brushes : All-In-One (CLP) cleaner and lubricant Designed to clean: . 22 Cal / .357 Cal / .38 Cal / 9mm / .40 cal / 10mm / .44 Cal / .45 Cal Product Description These economical gun cleaning kits include a stainless steel rod, T-handle, patch holders, various bore brushes and our All-In-One (CLP) cleaner and lubricant.