Detailed SpecificationRotary cutter quantity: 5 pieces ; Stem diameter: 6mm; cutting diameter: 10 mm Premium QualityCutter set made of tungsten carbide hard alloy, stable performance, strong and durable, safe and reliable Practical DesignDouble cut heads of milling cutter for more efficient milling and grinding, easy to operate, saving time and effort Good Compatibility6mm (1/4 inch) shank rotary cutter, suitable for most pneumatic or electric rotating tools such as electric drills and grinders Powerful FunctionCutter Set used for processing various metal mold cavities, grinding and engraving wood, jade, marble and metal, cleaning welds and burrs, etc 5Pcs Double Cut Tungsten Carbide Rotary Burrs 6.35mm Shank Premium quality: the cutter is Made of high-strength processed tungsten carbide with good toughness and long service life. Color: Silver Double Cut Cutter: Cuts rows of cutters in two directions which intersect for fast material removal, convenient to use, safe and reliable. Versatile: This rotary burr set is suitable for grinding and polishing materials such as copper, aluminum, alloys, iron, marble, jade and wood. Wide Range of Applications: The 5-piece router bit set can be used in various fields such as tool making, model engineering, wood carving, deburring, grinding, etc. Practical: rotary cutters carbide inserts are compatible with most metal dies and grinders, making them ideal for woodworkers or hobbyists who frequently clean welds or work with metal. Quantity : 5 pieces (different heads) Material: tungsten carbide Shank diameter: 6 mm (approximately 1/4 inch) Cutting diameter: 10 mm (about 2/5 inch) 1.Please tighten the tool when using it, and avoid reciprocating cutting and prevent chips from scattering during work . 2.This cutter set is mainly used on pneumatic or electric driven tools, and the speed is generally 6000-50000 rpm < p> 3.Please allow slight errors in product size and color due to the difference between measurement methods and display screens.ladacea< /p>