General description Round cup burs are made of premium Vanadium steel, ensuring durability and precision. This set includes 6 pieces of round cup burs, ideal for various engraving and carving tasks. Technical specifications Diameter of burs: 2.1 mm Shank size: 3/32 inch (2.35 mm) Material: Metal Color: Silver Size: 1 mm Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with electric rotary tools, drills, grinders, etc. Usage Suitable for carving silver, jewelry, wood, walnut, olive core, beads, and precious soft metals. Other information Package Contents: 1 set of engraving bits (6 pieces) Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.
