Ideal for applications that demand an ultra clean swab. Features Class 1 cleanroom laundered knitted polyester for low particle generation and extractable levels. This 100% continuous filament polyester is heat molded onto polypropylene handles, eliminating the need for contaminating adhesives and sealing exposed edges for reduced fiber release. A double layer of Alpha polyester furnishes additional body and sorbency. Flexible internal head paddle and long handle. Head width: 6.4 mm. Handle width: 3.2 mm. Head length: 16.8 mm. Handle length: 146.5 mm.