BG Deluxe Microfiber Tenor Sax Pull Through Swab A30LSoft microfiber swab with high absorption capacity to clean the inside of the instrument. Features: BG swabs absorb quickly and efficiently to help keep your instrument in optimum playing condition. 1 metal weight inserted into a tubular part of the swab to facilitate passage through the instrument. This is a microfiber swab allowing high absorption throughout the instrument. Washer safe with a lifespan of more than 5 years.