Developer and patent holder of milling discs and double sided milling discs (DE: Fräsringe und Schweißnahtwurzelöffner(SWÖ)) for usage on electric or pneumatic hand-held angle grinders. We also provide pneumatic tools specially designed for work with our discs. Use our tools to get chips instead of dust, prevent heat to the workpiece and get a clear surface for welding to prevent blowholes. In several countries we got sales partner, for a full list check our website at http://www.maija-fraestechnik.de/vertrieb/