Locator ： The new drill guide is designed to make drilling of wood easier, straighter and more accurate.With a 1/4 inch hexagonal shaft, it can be used with cordless and corded drills and impact drivers. Tool Kit: With keyed chuck, tapered depth control shaft and limit ring, spring return, reversible chuck bracket, built-in V-groove, alignment and adjustable fence. Multiple Methods of Use ： The fence can be attached to any of the 4 sides of the square base. In addition, the fence can be used in multiple orientations. Here it is used to reference against the edge of a board. Easy to Use ： There are two centered pens that can be stowed away on board when not in use. For use, they screw into the bottom of the base and can be tightened using one of the column caps, which have a built-in hex bit. Comprehensive design ： With wedge chuck, conical depth guide shaft and limit ring, spring return, reversible chuck holder, integrated V-groove, alignment and adjustable stop.