4pcs 2 Flute Tapered Ball Nose Spiral End Mill, Nano Blue Coating Tungsten Carbide CNC Router Bits, 2D and 3D Engraving Carving Woodworking Bits, R0.25 1.0, 1 4'' Shank, TB04B sold2024 Please wash the replacement blade home_improvement_Aug2026 Please wash the replacement blade with water CRYSTAL CLEAR VISION: The anti fog treatment coated lenses with 180 degree peripheral vision let you see clearly without blurring or distortion Applicable Materials: These Nano blue coating bits have an HRC rating of 65 and are optimal for milling a wide range of materials High Quality: Genmitsu end mills are made of Tungsten Carbide Steel and 0