Diamond needle file.Design: Galvanic bound in hard-chrome-plated precision design. Original Swiss basic body madeof ground and forged special file steel. Universal grit size D 126 medium (according to the FEPA standard).Application: For precise (re) processing workpieces/tools (e.g., punching, cutting and pressing tools) in machine and mould. In addition, for deburring and processing of GFK and related materials, of HM and ceramics prior to and after sintering, graphite, ferrite, cast HSS etc.