Feature●Blade Diameter: 0.18 inches (4.5 mm)●Groove Length: 2.0 inches (50 mm)●Total Length: 3.1 inches (80 mm)●Shank diameter: 0.18 inches (4.5 mm) round shaft●Weight: 0.4 oz (12 g)●Material: High Speed Steel●Country of Manufacture: JapanDescription
No.58XW inner cone for countersunk (straight cone) for wood decks.