Feature●Blade Diameter: 0.18 inches (4.5 mm)●Groove length: 1.6 inches (40 mm)●Total Length: 2.8 inches (70 mm)●Shank diameter: 0.18 inches (4.5 mm) round shaft●Weight: 0.4 oz (11 g)●Material: High Speed Steel●Country of Manufacture: JapanDescription
No.58XW inner cone for countersunk (straight cone) for wood decks.