Head Material: Sponge Head width: 6.0 mm Head thickness: 5.0 mm Head length: 11 mm Handle Material:polypropylene Handle width: 4.0 mm Handle length: 57 mm Total length: 78 mm Features: Free from silicone, amide and DOP Low non-volatile residue Low in both particles and ion content Excellent solvent-holding capacity Compatible with most common solvents No contaminating adhesives or coatings. Applications: Micro-mechanical cleaning Effectively clean small,slotted.recessed areas Remove flux residue and excess material Use in the cleaning static sensitive components parts Used in the electronics,semiconductor,hard disk drive, LCD,PCB,SMT, IC, medical and biotech fields