Description: These are diamond plated Ball Burrs in a gradient set. Ball burrs are essential for carving, and one of the main burrs any gem carver uses. These burrs are a rare find because of the size of the ball burrs, as well as the fine particle size.

Made In: USA

Head Size: 2.5mm to 15mm
Shaft Diameter: 3.1mm
Overall Length: 45mm
Case Size: 10.5cm x 9.5cm x 5.5cm

Grit (Optional): 220, 400, 600

Pieces: 14 piece set