Bosch 1 1 16 in Carbide Tipped Straight Router Bit Zinc Fasteners Zero flush seal to prevent water Color Finish:Sea Glass Zero flush seal to prevent water waste Frequently Asked Questions (FAQ): Streamlined Strength for a Polished Finish Bit Style Straight Number of Flutes 2 Overall Diameter 1 1 16 in Cutting Edge Length 1 1 4 in Bit Shank Diameter 1 2 in Overall Length (Inches) 2 2 flute design provides a smooth finish and good feed rates Micrograin carbide tips give excellent smoothness of cut and long life Balanced cutting with minimal vibration Specially designed tips provide fast plunge cutting Strong webbing and heavy cutter backing extend bit life