A grease gun, to be used when lubricating the Mirka AOS 130NV sander. The use of grease to extend the life of the tool is recommended. For use in industrial applications in heavy usage it is recommended to grease once a day. In more average use, such as in ART body shops, once a week is enough. With this grease gun it is recommended to use Molybdenum Disulfide base grease. Information about the usage of the grease gun is available in the manual of the Mirka AOS 130NV sander.