Feature: 1. WIDELY USED: This milling cutter is suitable for processing materials such as nylon, resin, ABS, acrylic, PVC, medium density fiberboard, and hardwood. 2. HIGH HARDNESS: Using high quality tungsten steel material, high hardness, wear resistance, corrosion resistance, sturdiness and durability, not easy to deform. 3. REASONABLE FLUTE DESIGN: Provides larger spiral chip removal space makes chip removal smooth and increases the strength and rigidity of the tool. 4. HIGH EFFICIENCY: These milling cutters have incisive edges and can engrave quickly, making them highly efficient, high accuracy, and not easy to break. 5. STORAGE BOX: Contains 10pcs blue plated milling cutters, with a plastic box for storage, compact and portable, suitable for professional woodworking. Specification: Item Type: Router Bits Material: Tungsten Steel Weight: Approx. 45g / 1.6oz Product Length: Approx. 38mm / 1.50in Product Handle Diameter: Approx. 3.175mm / 0.13in Scope of Application: Stainless steel, plastic board, PCB engraving, etc.. Package List: 10 x Router Bits1 x Plastic Box Note: 1. Please allow 0‑1 inch 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.