The Alpen 28.0mm x 460mm Wood Auger Drill is ideal for deep and large drilling tasks in square timbers and wood jambs. It features highly accurate centring and sharp cutting edges for effective performance. Brand: Alpen Diameter: 28.0mm 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