These are heavy duty greases made from lithium complex soap with a heavy oil and fortified with molybdenum disulphide.
Delstar Advanced Moly 3 has 3% Moly and Delstar Advanced Moly 5 has 5% Moly. These greases are intended for construction equipment operating under heavy shocks such as in quarrying. It is also suitable for use in the 5th wheel of truck trailers.