A dirty stylus gets between you and your music... Mobile Fidelity LP #9, a revolutionary stylus cleaner and lubricant, is a simple, easy to use stylus cleaner which will improve the sound of your analog system while extending the life of your phono cartridge. LP #9 provides smoother, grain-free sound and increased stylus life while reducing record wear. Mobile Fidelity LP#9 is both a stylus cleaner and a stylus preservative in one bottle. The fluid is only used sparingly, so this half ounce bottle will last you a long, long time. Also included is a great, soft stylus cleaning brush, which will protect the delicate stylus while keeping it clean.