Liquid Wrench GR015 Marine Grease - 15 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. Exceptional corrosion protection, high dropping point and mechanical stability Provides superior protection against corrosion in harsh corrosive environments High performance premium grease High load carrying ability, excellent resistance to water, oxidation and corrosion