Blaster 14 oz. Maximum Heavy-Duty Grease Cartridge is the best choice for high quality lubrication and corrosion protection in the most demanding applications. It is formulated as a unique high-performance extreme pressure calcium sulfonate complex grease that won't drip under the most severe operating conditions. Blaster Maximum Heavy-Duty Grease provides excellent lubrication, corrosion protection and prolongs equipment life even under high temperatures up to 550°F (dropping point). Compatible with any standard 14 oz. grease gun, the Blaster Maximum Heavy-Duty Grease cartridge is great for any equipment that demands a shear stable, high-load carrying, corrosion-resistant grease. It is ideal for any automotive, construction, mining and farm equipment application. Simply remove the plastic cap and insert the grease tube into the barrel of the grease gun. Lift the tab and pull up on the foil sealed end of the grease cartridge. NLGI #2.