Constructed from compressed open cellular polyurethane foam which is securely bonded to a polystyrene shaft. Perfect to clean printer heads, keyboards, and tight to reach places, super use for piezoelectric photograph mechanical device print nozzles, water-based and maximum solvent print head. Multiple uses: Swabs are also large to apply round the domestic akin to A/C vents and vents round your kitchen range. Specifically for cleansing sensitive equipment corresponding to printers, microscopes, optical sensors and secure for solvent print heads. Used in the electronics, semiconductor, hard disk drive, Optics-electronic, LCD,PCB,SMT, IC, and biotech industries. Head width: zero (15mm) Colour:orange Material:PP+sponge Size:about 130 x 15mm Package Contents: one hundred x Cleanroom Detailing Swab Only the above equipment content, other item are usually not included. Note: Light mirrored image and assorted exhibits could cause the color of the thing within the picture slightly diverse from the real thing. The size allowed error is +/- 1-3cm.