The Beta 1756 pen oiler is a tool used for precisely applying small amounts of lubricant to hard-to-reach areas of various mechanical devices. It's designed with a fine tip allowing for accurate dispensing of oil, preventing over-application and mess. It often used for oiling bicycles, fire arms, sewing machines, tools and equipment and for the cleaning and maintenance of precision instruments. The oiler features a gasket seal and cap to prevent leaks and contamination. The pocket clip keeps it close and convenient for carrying and storage. This 5cc pen oiler measures 5/12" (140mm) long.