Woodpeckers Precision Woodworking Tools DP3FENCE Drill Press Fence 3-inch x 3-inch x 23-1/2-inch L-shaped fence is constructed of 3/8-inch thick aluminum 2-inch wide center notch provides chuck clearance so short drill bits can reach table Anodized for durability and to reduce chance of fence marking material Easy to reach dual length knobs lock fence to T-track in the Woodpeckers Drill Press Table