DIY Crafts CTDIYHI47939 Shank Diamond Grinding Burr Drill Bits - 20 piece(s) 3mm

Diy crafts durable shank diamond grinding burr drill bits sets for rotary tools specification brand new color sliver Material diamondmetal size all shank diameter about 3mm all grinding diameter about 6mm total length about 45mm fit for grinding engraving cutting lines Polished hollow jade carving glass engravingetc good workmanshipreliable quality suitable for hanging mill electric mill engraving machines electric machinery and supporting assembly mainly It is a deal correction tool for processing of various molds carbide glass instruments and jade carving package included diamond burr grinding drill bits Product Color Multicolor Package Contents 3mm Durable Shank Diamond Grinding Burr Drill Bits Rotary Tools for Watch Dy Crafts Works 6 Pack of 20