The model AR0221 fine magnet wire stripper will strip film type insulation including formvar, ML, enamel, varnish, isonel and more from fine wires. The conical fiberglass wheels rotate at high speed to generate frictional heat which softens the insulation on the wire. The unit also cleans and polishes leads of small electronic components and removes oxidation and other contaminants from leads as small as 0.0012 Inch diameter. - Eraser AR0221 Wire Stripper.