Bottle Style may vary, needle oiler had been discontinued ROTARY VALVE LUBRICANTS Rotor Lubricants: Hetman Synthetic Rotor Lubricants provide for long-lasting rotary valve performance. These lubricants will protect rotors and valve casings against corrosion and wear while improving valve seal. Hetman Synthetic Rotor Lubricants will not swell rubber bumpers or damage plastic components. The 30 ml long-tipped precision needle oiler facilitates application through the slide tubes but is sadly unavailable. Available in three nontoxic, non-gumming viscosity grades: 11. Light ROTOR - Formulated specifically for close tolerance rotors. PN: H11-LR-22. May not be in a needle oiler bottle, but a dropper bottle. 11.5 Medium ROTOR - A middle of the road option 12. ROTOR - Designed for instruments with rotors having average clearance. PN: H12-R-22. May not be in a needle oiler bottle, but a dropper bottle. Hetman Musical Instrument Lubricants The extensive range of Hetman Musical Instrument Lubricants constitutes an application-specific system of advanced instrument care for the discriminating musician. This system of lubricants was developed to go beyond the limitations of conventional oils and provide a new level of instrument performance and longevity. Leading Edge Technology - each lubricant embodies the most advanced technology, providing superior, longer-lasting performance, and protection against wear and corrosion. Application-Specific - each lubricant's viscosity and formulation is designed for its specific application. Compatibility - each lubricant is compatible with conventional petroleum-based oils, avoiding potential gumming problems associated with some synthetics. Easy Application - each lubricant is packaged with a dispensing system that allows convenient application to the most difficult-to-reach lubrication points. Application Guide - an easy-to-follow application guide is available that clearly describes the proper use of each product.