Frame material is aluminum, width only 5mm,small and exquisite, ... substrate.Feature:1. Using comfortably in hand roller rotating freely2. It’s technically used for removing dust and has good effect3. Aluminum ... adhesive sheetsThe dust removal roller has many uses: PCB, Screen printing, Computer,Electronic devices,Laser optics, ... tack , non-silcone). manual sticky roller(aluminum sheet frame/handle)