Carbide Burr Bits Set with 1/8 shank: These carbide burr bits set compatible with for metal grinding bits, for angle, straight air, electric die grinder bits. Very , aggressive, better suited for sanding in tight spaces than grinding discs flap wheel. Sturdy and Wear Resistance: These die grinder drill bits are made of tungsten carbide steel, which is highly wear-. Even when grinding metals such as aluminum and copper, the service life is still very long. Carbide Burr with Double-Cut Design: These carbide rotary burrs adopt a -line design, which has the characteristics of rapid chip evacuation, can improve work efficiency and shorten cutting time. Widely Used: 10 rotary burr set types can meet different jobs, such as engraving, carving, polishing, deburring, grinding, cutting, chamfering, milling, cleaning, transplanting. Colour:As Shown Material:Metal Package Contents: 1set * die grinder bits(10Pcs) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.