The K7 MINILUBE® Portable High Pressure Manual Greasing System provides high-volume/high-pressure greasing in a compact and portable package. It consists of two main components, a foot operated spring-loaded pump, that dispenses grease from the container to the hose and gun and a patented high pressure/high volume KR pressurite™ gun. When the gun is set on the high volume position the gun will deliver up to 5,000 psi and when set on the high pressure setting the gun will deliver a lower volume of grease, but at higher pressures ( up to 10,000 psi). The K7 is an economical alternative to the more expensive air-operated greasing systems.