certbuy 200 pcs foam swabs on stick, foam cleaning swab sticks for clean rooms, microscopes, integrated circuits, camera lenses, liquid crystal displays, microelectronics, biomedicine, automobiles. Specification: Head length: 17mm/0.67inch Head width: 6mm/0.2inch Rod diameter: 3.3mm/0.13inch Quantity: 200 Total length: 16.3cm/6.4inch Tips: 1.Due to manual measurement, there will be an error of 1mm to 3mm. 2.Not recommend for eco solvent printer. Package Includes: 200 x Cleaning Swabs