Features: *Sturdy Material:This drill guide for cable railing is made of a hard and lightweight aluminum alloy, ensuring durability and easy portability. The anodized red finishmaintains an excellent finish while providing resistance. *Multi Drilling Angles:The drill guide features fixed drilling angles of 30 degrees, 45 degrees, and 90 degrees. It is suitable for both 90-degree horizontal deck posts and 4530-degree angled stairs railings, ensuring accurate and efficient drilling. *Four Sizes of Guide Holes:Equipped with four sizes of guide holes, 3/8-inch(9.52mm), 5/16 -inch (7.93mm), 1/4 -inch (6.35) mm), 3/16 -inch (4.76mm) . These sizes are compatible with most cable railing lag screws, allowing for precise drilling. *Stable Drilling with Locking Clamp:Can be used in conjunction with Locking C clamp and F clamp to prevent shaking during drilling. This ensures that the drilled holes are awayfrom burrs and cracks, providing a clean and professional finish. *Versatile Usage:Suitable for the installation of wooden, aluminum, and stainless steel deck posts for cable railings, as well as DIY woodworking projects. Specifications: *Product Name:Drill Hole Guide Jig *Material:Aluminum alloy *Size:Approx.3/8-inch(9.52mm), 5/16 -inch (7.93mm), 1/4 -inch (6.35) mm), 3/16 -inch (4.76mm) * Drilling Angle: 30 degrees, 45 degrees, 90 degrees *Color:Red *Options:A,B,C,D(Optional) A: Drill Hole Guide Jig B: Drill Hole Guide Jig with Drill Bits C: Drill Hole Guide Jig with Leveler D: Drill Hole Guide Jig with Leveler and Drill Bits Package Content: 1 * Drill Hole Guide Jig Or 1 * Drill Hole Guide Jig 4 * Drill Bits Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_