The Alpen 22.0mm x 460mm Wood Auger Drill is perfect for drilling large holes in square timbers and wood jambs. It features highly accurate centring and sharp cutting edges for effective and clean drilling. Brand: Alpen Diameter: 22.0mm 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