Non-abrasive, foaming-action, solvent and cleaner aggressively attacks the toughest copper, lead and plastic deposits. Dissolves baked-in carbon and powder residue in the difficult-to-clean throat area. Extra strength, instantly strips out the heaviest copper fouling in minutes, using only patches or mops. May be harmful to some plastic, painted, varnished or synthetic stock finishes. SPECS: 200 ml (6.7 fl. oz.) bottle. Contains 5% ammonia.