Red Vertical Drill Guide Jig Accessories 6/7/8/9/10mm Pocket Hole Jig Positioner Right Angle Guide Doweling Jig for Woodworking Puncher (Round) <p>This vertical self-centering pocket hole jig made of 6061 aluminum alloy, strong strength and long durability. It is wear-resistant, rust-proof, sturdy, and excellent to use.</p> <p>The center pins ensure accurate alignment when drilling into various surfaces. By holding the drill guide body, it is easy to drill a vertical hole without any deviation.</p> <p>The drill guide jig comes with 5 different sizes (6/7/8/9/10mm) of drill bushings in the package, so that to easily drill holes of different sizes and meet various drilling needs.</p> <p>This is a set of drill guide tools for fixing and centering when drilling and woodworking.</p> <p>In order to ensure that the hole of the log pin is perpendicular to the joint surface, the log pin drilling positioner should be used when manufacturing the spanking furniture connected by the log pin.</p>