Liquid Wrench LHL04/6 Lock and Hinge Lube - 4.5 oz. LIQUID WRENCH is a local family owned company based out of Charlotte, NC. For more than 75 years, LIQUID WRENCH products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.LIQUID WRENCH Proprietary, metered nozzle means no overspray and no mess Resists dust and dirt Features state of the art Cerflon solid lubricant for superior durability and long-lasting lubrication Uses: hinges, locks, latch assemblies, vehicle door locks