10 pcs Double cut head rotary burrs milling set. Fi for and most small rotary tools.< />Made of tungsten and carbide which use for rotary burr, high haness and high aasion resistance.< /> diameter: 3mm(1/8 inch), diameter: 6mm, Total length: 100mm/ about 4 Inch.< />High on psing copper, aluminum, alloy, iron, marble, jade, steel, glass, wood and plaster etc.< />Widely used for metalwork, tool making, model enginee, wood carving, welry making,welding, chamfe, casting, debur, grinding, < /> Diameter: 3mm (1/8 inch)< />Head Type: Double Cut< /> Diameter: 6mm (1/4 inch)< /> Length: 100mm (about 4 Inch)< />Psing Haness Up equal 85< />Material:steel< />colour:< />< />Package Conten:< />10 x Tungsten Carbide Rotary Burrs< />Only the above package content, other produc are not included.< />Note: Light ing 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.