90° Vertical : The angle drill guide jig is designed with a 90° V-groove, ideal for wood and PVC. It ensures vertical accuracy with a dual- bubble level, enhancing efficiency for stair handrails, deck railing bolts, and woodworking joints. Adjustable 30°/45° Angles: Easily switch between 30° and 45° angles with this drill jig, offering ±0.5° . Perfect for cable railing, furniture assembly, and roof trusses. Features anodized alignment marks and etched indicators for complex installations. Versatile Drill Sizes: Includes 4 titanium-coated drill bits for 3/8", 5/16", 1/4", and 3/16" holes. Crafted from high-quality industrial steel, these bits durability and are suitable for applications including cable railing and lag screws. Construction: Crafted from full aluminum alloy with CNC anodized treatment, this angle drill guide jig is - and features clear, wear- markings. The guide holes are made from -plated No.45 hardened steel for . Color: Blue Material: Metal Package Contents: 1*drilling guide fixture 4*drill bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.