1.10PCS Tungsten Carbide Burr Set
2.Shank diameter: 3mm (About 1/8'')
3.Cutting edge diameter: 6mm
4.Total length: 40-50mm
5.Material: Tungsten | Carbide Use: Rotary Burr, High micro hardness, high abrasion resistance, good toughness. High performance on processing Copper, Aluminum, Alloy, Iron, Marble, Jade, Steel, Glass, Wood and Plaster etc.
Highly recommended for polishing metals and plastics, jewelers, lapidary use, hobbies, crafts, craft modeling, home repair and so much more.