WD-40® SPECIALIST® RUST RELEASE PENETRANT SPRAY11 OZ. AEROSOL CAN WD-40 SPECIALIST RUST RELEASE PENETRANT FEATURES A UNIQUE BLEND OF SOLVENTS METAL WORKING FLUIDS AND SURFACTANTS THAT PROVIDE FAST-ACTING PENETRATION. FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" THE CAPILLARY ACTION PENETRATES INTO TIGHT CREVICES THREADS AND SEAMS TO BREAK THE BONDS THAT HOLD STUCK PARTS TOGETHER HELPS PREVENT RUST AND CORROSION FROM RE-FORMING AND LEAVES BEHIND A LUBRICATING LAYER IDEAL FOR USE ON NUTS BOLTS THREADS LOCKS CHAINS AND RUSTED THINGS THAT ARE STUCK AND WON'T MOVE SAFE TO USE ON PLASTICS RUBBER AND METAL. THIS PRODUCT IS PROHIBITED FROM SHIPPING TO CALIFORNIA.