Every Cleaning swab head is made from the highest quality materials to ensure the proper cleaning of your delicate instrument. They are perfect to clean printer heads, keyboards, and tight to reach laces, great use for piezoelectric photo machine print nozzles, water-based and most solvent print-head. The heads are available in either polyester tips or foam tips depending on your need. Foam based swabs are solvent resistant and best for solvent cleaners. Both our foam and polyester swabs have a high absorbency. These are the same swabs that we use to clean our fleet of printers.