Features: 1. Using ultra-fine grained carbide materials, with good milling and cutting performance, to ensure high efficiency. 2. The milling groove, hole and edge of the board are clean, tidy and burr-free. 3. Made of high quality carbide material, has sufficient flexural strength and wear resistance. 4. Used for PCB, SMT, CNC, mold, engraving, plastic, copper, stainless steel and other hardware processing. 5. 10pcs router cutting bits can be used for a long time. Specification: Condition: 100% Brand New Item Type: Milling Cutter Material: Carbide Shank diameter: 3.175mm Blade diameter: 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm (optional) Blade length: 8mm (Blade diameter 1.5mm Router Cutting Bit) 7mm (Blade diameter 1.6mm Router Cutting Bit) 8mm (Blade diameter 1.7mm Router Cutting Bit) 8mm (Blade diameter 1.8mm Router Cutting Bit) 8mm (Blade diameter 1.9mm Router Cutting Bit) Full length: 38mm / 1.5in Quantity: 10pcs/Set Uses: Used for PCB, SMT, CNC, mold, engraving, plastic, copper, stainless steel and other hardware processing. Package List: 10 * Milling Cutter Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.