... designed for cleaning small ,slotted areas . Our handle material is ESD-safe polypropylene , it has excellent ESD performance ... . recessed areas-Remove flux residue and excess material-Use in the cleaning static sensitive components parts ... in the electronics, semiconductor, hard disk drive, LCD,PCB,SMT, IC, medical and biotech industry . Packing ... swab) Cleanroom Swab 750 For PCB (Looking For Agent)