Made of premium tungsten steel with high hardness, hard-wearing and anti-rust. Can be used in hanging mills, bench mills,grinders,rotary tool, etc. For carving and grinding of silver, jewelry, wood, walnut and more, recommended for olive core, beads, ivory, wood, bone, precious soft metal , etc. 6 pieces 3/32'' shank cone cross cut burr jewelry engraving bits.
Made of premium Vanadium Steel with high hardness, hard-wearing and anti-rust. Cone cross cut burs includes 6 sizes: 008. 010. 014. 018. 020. 023 Specific 3/32 inch ( 2.35 mm ) shank fits rotary tool, drill, grinder, hanging mills, etc For carving of silver, jewelry, aluminum, walnut,olive core, beads, precious soft metal and more Package contents: 6 pieces 3/32'' shank cone cross cut burrs ( plastic )