Total length: 6.0 inches (170 mm); Handle diameter: 0.5 inches (12 mm); Replacement blades(total 6 pieces) Blades... SK-120 with soft rubber; Blade thickness: 0.02 inches (0.5 mm); Curve: 0.05 inches (0.45 mm); Flat: 0.05 inches (0.55 mm)