Feature●Total Length: 2.4 inches (60 mm)●Shank diameter: 0.1 inch (2.4 mm) round shaft●Blade Diameter: 0.1 inch (2.4 mm)●Weight: 0.1 oz (3 g)●Country of Manufacture: Japan●Material: High Speed SteelDescription
This is a No.503W center drill for the first size S.