Feature●Processing Material: Wood●Appropriate revolutions: 1,500 rpm or less●Blade Diameter: 1.1 inches (27.5 mm)●Groove Length: 9.4 inches (240 mm)●Total Length: 13.0 inches (330 mm)●Shank diameter: 0.5 inch (12 mm) hex shaft●Applicable models: Electric drillDescription Can be drilled in a wide range of ways, from shallow to deep holes.