The Alpen 30.0mm x 460mm Wood Auger Drill provides precision for large-scale drilling in square timbers and wood jambs. It features highly accurate centring and sharp cutting edges for reliable performance. Brand: Alpen Diameter: 30.0mm Working Length: 380mm Overall Length: 460mm Application: For drilling in square timbers and wood jambs Highly accurate centring for precise results Sharp cutting edges ensure clean and efficient drilling