MEASUREMENTS - Total swab length: 5.11 inch (128mm), Head length: 0.9 inch (24mm), Head width: 0.5 inch (15mm), Head Thickness: 0.34 inch (8.8mm), Handle Length: 4.1 inch (104mm) Every foam swab head is made from the highest quality open-cell foam securely bonded to a polystyrene shaft. Our swabs are perfect toClean printer heads, keyboards, and tight to reach ,great use for piezoelectric photo machine print nozzles,water-based and most solvent printhead. Swabs are also great to use around such as A/C and around your kitchen range Foam Cleanings Swabs are made specifically for cleaning sensitive equipment such as printers, microscopes, optical sensors and safe for solvent print heads. Material: Foam colour: blue Package Contents: 1 set x 128mm cleaning kit(200 pcs) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.