This versatile Fast-splicing Dowel Jig Kit includes 8 different sizes of Drill Bushings for easy hole drilling and meets various holing needs. Constructed with strong and durable Aluminum Alloy 6061, this Vertical Self Centering Pocket Hole Jig is wear-resistant and rustproof, ensuring long durability. With accurate Centerlines for precise alignment, drilling into various surfaces is made easy. The design allows for vertical hole drilling without deviation. Featuring a groove design for dust discharge, this jig is simple to clean and store. Suitable for woodworking tasks, this drill guide tool is ideal for fixing and centering while drilling.