1MAIN PURPOSE: Using this woodworking hole punch locator, you can ensure that the hole of the round dowel is perpendicular to the joint surface. 2EASY OPERATION: Center line ensures accurate alignment when drilling into various surfaces, drill vertical holes easily by holding the drill bushings. 4DRILL BUSHINGS: Equipped with 6 steel drill bushings, with different drill diameters, can meet different drilling needs, and has a wide range of applications. 5WIDE APPLICATION: This hole punch locator set is widely used for woodworking hole punching, furniture making and DIY wooden handcrafts etc. 3ALUMINUM ALLOY: The vertical punch locator is made of aluminum alloy, which is light in weight and corrosion resistant, and has a long service life.