Material: HSS (high speed steel)
Blade diameter: 0.16 inch (4.0 mm)
Total length: 23.6 inches (60 cm).
Effective length: 7.9 inches (20 mm)
Hex Shank: 1/4 inch (6.35 mm)
Unique double-groove for outstanding sharpness.
For wood, bamboo, and aluminum sashes.
Weight: 0.4 oz (11 g)
Compatible with electric drills and impact drivers