Dimensions: Total Swab Length: 128mm, Head Length: 24mm, Head Width: 15mm, Head Thickness: 8.8mm, Handle Length: 104mm Good Quality: Each foam swab head is made from the highest quality open cell foam securely bonded to a polystyrene shaft. Great for Use - Our swabs are perfect for cleaning printer heads, keyboards and tight to reach places. They are perfect for piezoelectric, water based and most solvent printer head printer nozzles. Multiple Uses: The swabs are also great for use around the house such as air conditioning vents and vents around your kitchen. Use for Printers and Optical Equipment: Foam cleaning swabs are made specifically for cleaning sensitive equipment such as printers, microscopes, optical sensors and safe for solvent print heads. Features: There are 50 pieces in the bag, they are lightweight, simple and easy to use. They are perfect for small spaces and areas that you cannot reach with a cloth or other cleaning object. Total length of the swab: 128 mm Head length: 24 mm Head width: 15 mm Head thickness: 8.8 mm Handle length: 104 mm Package contents: 100 cleaning swabs become very rich