The new drill guide is designed to make drilling wood easier, straighter and more precise. 1/4 inch hex shaft can be used with cordless and corded drills and impact drivers. Our woodworking drill locator chuck holder has a 1" bit capacity, but if you remove it and reverse it, you can fit bits up to 2" wide. A V-groove in the base allows for easy center drilling of round workpieces such as wooden dowels. Drill guide with a clear and precise scale, adjust the scale according to the thickness of the wood, precise alignment. Multiple methods of use. The fence can be attached to any of the 4 sides of the Auto-lines square base. Adjustable Punch Locator Drill Jig Guide has alloy steel body, non-rusting, lightweight and strong. Woodworking locating kit used for edge, surface, T-shaped and L-shaped joints. Suitable for quick connection of furniture, woodworking, etc. With keyed chuck, tapered depth control shaft and limit ring, return spring, reversible chuck holder, integrated v-groove, alignment and adjustable fence. Main part material: Plastic size: 25 X 8 X 8 cm Package List: 1 set of woodworking drill locator