About This

• Made of premium Vanadium Steel with high hardness, hard-wearing and anti-rust.
• Round cup burs includes 6 sizes: 010, 014, 016, 018, 020, 023
• Specific 3/32 inch ( 2.35 mm ) shank fits rotary tool, drill, grinder, hanging mills, etc
• For carving of silver, jewelry, wood, walnut,olive core, beads, precious soft metal and more
• Package contents: 6 pieces 3/32'' shank jewelry making round cup burr wire rounder bits