We offer discount for large quantity. Welcome to us!10Pc 4 Inch Long Double Cutting Tungsten Fixed Carbide End Mills Set 1/8 Inch (3mm) Shank Twist Drill Bit for Rotary Tools10 Pcs Double shank cutters. Fits Dremel and most small rotary tools. Made of tungsten and carbide, which use for rotary Velcro, high hardness and high abrasion resistance. Shank diameter: 3mm(1/8 inch), cutting edge diameter: 6mm, total length: 100mm/about 4 inch. High efficiency processing of copper, aluminum, alloys, iron, marble, jade, steel, glass, wood and plaster, etc. Widely used for metalworking, toolmaking, modeling, wood carving, jewelry making, welding, chamfering, casting, deburring, grinding, etc. Shank Diameter: 3mm (1/8 inch) Head Type: Double Cutting Edge Diameter: 6mm (1/4 inch) Shank Length: 100mm (About 4 Inch) Processing Hardness to HRA greater than equal to 85 Material: Steel Color: Silver Package Content: 10 x Tungsten Carbide End MillsOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm. About UsWe provide good product with best price, we support wholesale order/