100pc Square Rectangle Foam Cleaning Swab Sticks for Printer Inkjet Optical Equipment and Automotive Detailing SAFE FOR PRINTERS & OPTICAL EQUIPMENT  SwabPro Foam Cleanings Swabs are made specifically for cleaning sensitive equipment such as printers, microscopes, optical sensors and safe for solvent print heads. We developed them for cleanroom use and are sealed until ready to use. GREAT FOR AUTOMOTIVE USE  Our swabs are perfect for use for classic car restoration and auto detailing projects. Use them to reach tight areas such as air vents and crevices in your dashboard. Highly recommended for use with coatings and leather conditioners for tight areas. HIGH QUALITY- Every foam swab head is made from the highest quality open-cell foam securely bonded to a polystyrene shaft. They are designed to be safe with strong cleaners and isopropyl alcohol MULTIPLE USES  Swabs are also great to use around the house such as A/C vents and vents around your kitchen range. Also perfect for cleaning guns and other firearms. MEASUREMENTS  Total swab length: 5.9 (150mm), Head length: 0.7 (20mm), Head width: 0.2(5mm), Head Thickness: 0.12 (3.3mm), Handle Length: 5.1 (130mm)