ProtonRC high-quality 100% pure silicone oil for shock absorbers and differentials. Ancient silicone shock oil made in Europe under laboratory conditions. ProtonRC Oils has been developed to ensure consistency and performance. Lab tested, they will be exactly the same from bottle to bottle. Available in an enormous range of 22 viscosities from the lightest shock oil 350cSt to the heaviest differential oil 30,000cSt. Extremely resistant to temperatures in both hot and cold conditions. Fully sealed bottles for better transport without leakage and very easy-to-use cap for easy precise pouring. Provided in 80ml bottles with a flip cap and easy identification.