PROXXON Diamond Ball Point Grinding Bits 1.0mm (Pkt 2) 28212 From RDGTools
PROXXON Diamond Ball Point - 1.0mm (Pkt 2). Used for engraving, fine detail work or grinding on ceramics, glass, hardened steel, semi-precious stones, porcelain and plastics. The cylinder bits are 5mm x 1.8mm and the Lenticular bits are 5mm.