GUN GREASE W/12"RUBBER HOSE. It is a flexible grease hose that has a coupler that is designed for use on hand-operated grease guns only. This product supports a maximum working pressure of 14000 psi. Its construction was made with the aim of maximizing torsional resistance and minimizing the bending radius. In addition, its two ends have 1/8" NPT male thread connections, ideal for heavy duty, high quality.