GREASE RUBY PLUS EP 2 14-oz.CARTRIDGE. Drydene Retraplex grease is a high quality lithium complex grease that features additive chemistry. It is recommended for many types of applications, including those that require load-carrying protection and an additional level of extreme pressure. Created from proprietary polymer additives and high quality base oil to help provide the best service under normal to extreme operating conditions. In addition, its advanced polymer additive helps the grease maintain its tack and tack, regardless of the environmental condition.