Features: brand new and high quality High Quality Material: Made of high quality tungsten steel, stable, firm and durable. Product Dimension: approx. Shank diameter: 3.175mm/0.125inches ,Cutting edge diameter: 3.175mm/0.125inches, Cutting edge length: 22mm/0.87inches. Application: Good performance, convenient and practical, suitable for home and professional use. Lightweight Size: Portable and small size, easy to store and carry, bring you convenience. Wide Compatibility: Works with PCB, SMT, CNC, Mold, plastic fiber, carbon fiber, hard wood, printed circuit board, and other precision parts processing. Specifications: Material: Tungsten Steel Color: As the Picture Shows Product Dimension: approx. Shank diameter: 3.175mm/0.125inches Cutting edge diameter: 3.175mm/0.125inches Cutting edge length: 22mm/0.87inches Net Weight: 55g/0.12lbs Package Includes: 10 Pcs/set Solid Carbide Helical Milling Cutter note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.