BRUNOX Top-Lock maintains, lubricates and protects locks, hinges, fittings up to 54C. Top-Lock contains no silicone, PTFE BRUNOX & graphite and is therefore ideal for installation, maintenance or repair of closing systems, locking cylinders, fittings, locks, hinges, windows and doors. Are cylinder already blocked, BRUNOX Top-Lock . It has very good creep properties, resin are resolved. and can be removed