ACCURATE THREE ANGLES: The Neitra cable railing drill guide jig dowel allows you to drill 30°, 45°, and 90° angle holes for wooden stair railings and deck posts. The angles are fixed with no deviations, and you can quickly drill accurate 30°/45°/90° angle holes with an impact drill in the posts and railings, saving you time and effort and getting the work done quickly. FOUR SIZES GUIDE HOLES: With four sizes of drilling guide holes for each angle, 3/8"(9.52mm), 5/16"(7.93mm), 1/4"(6.35) mm), 3/16"(4.76mm), each compatible with most cable railing cable protector sleeves and lag screws. An efficient and compact angled drill guide that is easy to carry. ALL HARD METAL MATERIAL: The drill jig for angled holes is set with ultra-hard chrome-plated steel sleeves, which is wear-resistant, sturdy, and durable, no need to worry about being worn when drilling, and the drilling accuracy is error-free as always. The main body of the railing drill guide is made of high quality industrial grade aluminum alloy, hard and durable, with CNC anodized surface, wear-resistant and corrosion-resistant, clear markings. EASY OPERATION: This drill guide for angle drilling can be used with locking C clamps and F clamps to prevent the drill jig from wobbling while drilling, and allows for drilling burr-free and crack-free holes. Suitable for the installation of wood, aluminum, and high-speed steel posts and deck railing, cable railing, stair deck railing, and DIY railing projects. (F clamps and C clamps are not included.) CUSTOMER SERVICE: At Neitra, we are dedicated to providing high-quality products and services. Our commitment to customer satisfaction means you can trust in the quality of our neitra drill guide jig. Place your order with confidence, knowing that we are here to support you.

• Material: Aluminum Alloy, Ultra-hard Chrome-plated Steel

• Color: CNC Anodized Blue Surface

• Dimensions: 2.8 x 4.13 x 1 inch

• Guide Hole Size: 3/8" (9.52mm), 5/16" (7.93mm), 1/4" (6.35mm), 3/16" (4.76mm)

• Drilling Angle: 30°, 45°, 90°, Fixed Angles

• Package contains: Drill Guide x 1

Scope of Application: This drill guides for portable drills is widely use to install of wooden, and metal deck railing posts for cable railings and DIY woodworking/Handrail projects. It can work with 6" woodworking F clamp and C clamp for no shaking and safer drilling.

There are 3 different angles in this all metal drill guide: 30, 45 and 90 degree. Building a stair railing becomes much easier and more, convenient with the 30° & 45° angle holes and 90° for horizontal and vertical straight holes. A new beginner can quickly drill accurate 30/45/90 degree angle holes with a electric hand drill in the post with this tool, time-saving and perfectly finish work.