Loctite 495556 Silver-Grade Anti-Seize Lubricant Tube, 1-oz. Heavy-duty, temperature resistant, petroleum-based lubricant compound fortified with graphite and metallic flake Will not evaporate or harden in extreme cold or heat Use during assembly to prevent seizing, galling and corrosion Great for removal of spark plugs, cylinder head and exhaust head bolts Formulated for severe environments