Sentinel® Special Synthetic Gear Oils are multi-purpose specially compounded gear lubricants formulated to provide superior film strength and extreme pressure properties. They are truly anti-friction, anti-wear, anti-leak, anti-foam gear oils. Sentinel® Special Synthetic Gear Oils also surpass FZG stage 12, the highest rating that can be attained. They can be used as make-up and refill lubricants in all types of enclosed gear mechanisms, including spur, herringbone, spiral, bevel and hypoid. Sentinel® Gear Oil Series will also adequately meet and surpass requirements of heavy duty industrial transmissions and gear trains subject to high load and impact loads.