The new drilling guide is designed to make wood drilling easier, straighter and more accurate. The 1/4 inch hex shaft can be used with cordless and corded drills and impact drivers. Our woodworking drill bit positioner chuck bracket has a 1" bit capacity, but if you remove it and turn it over, you can install a bit up to 2" wide. The V-shaped groove on the base allows easy center drilling of round materials (such as wooden dowels). The drill guide has clear and precise scales, which can be adjusted according to the thickness of the wood for accurate alignment. Multiple usage methods. The fence can be connected to any of the 4 sides of the Auto-Line square base. Adjustable drilling locator drilling template guide rail with alloy steel body, rust-proof, light and strong. Woodworking positioner kit for edges, surfaces, T-shaped and L-shaped joints. Suitable for quick connection of furniture, woodworking DIY, etc. Key chuck, tapered depth control shaft and limit ring, spring return, reversible chuck bracket, built-in V-groove, alignment and adjustable fence.