Our hole punching guide jig can that the hole of the round tenon is perpendicular to the joint . It has good performance and practical to use. The ensures accurate alignment when drilling on various surfaces, and vertical holes can be easily drilled by holding the drill bushing. It is easy to operate without difficult steps. This drill guide positioner is equipped with 6 drill bushings of different diameters, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm. It can meet different drilling needs and has wide applications. This vertical hole punch locator is made of aluminum alloy material, which is and to use. You can use it with confidence. This straight hole drilling fixture is suitable for woodworking drilling, furniture making and DIY wooden crafts. It is practical and widely used for many places., Manufacturer: Akfldms