Reversible brush head with flexible nylon bristles adapt to curved instrument surfaces while maintaining structural integrity for repeated cleaning tasks 5.5inch long sewing machine brush features double purpose head for dusting in narrow crevices and delicate surfaces like saxophone or sewing machine bobbins Suitable for sewists, musicians maintaining music instrument, and techical enthusiasts cleaning sewing machine parts, music instrument, keyboards or computer components Double ended design with iron handle and nylon bristles ensures thorough cleaning of hard to reach area in sewing machine, computer keyboards, music instrument, and electronics removes lint from sewing machine feed dogs, presser foot, polishes trumpets valves, or dusts electronic devices during routine maintenance task