1. MultiAngle Precision Drill Guide Achieve accurate cable railing installation with a versatile aluminum alloy jig designed for fixed 30degree, 45degree, and 90degree drilling angles. Ensures precise hole placement on wooden, aluminum, and stainlesssteel deck posts, helping you maintain professional alignment and consistent results every time. 2. Four Compatible Drill Sizes Features guide holes for 3/8 inch (9.52 mm), 5/16 inch (7.93 mm), 1/4 inch (6.35 mm), and 3/16 inch (4.76 mm) drill bits. Compatible with general cable railing lag screws, allowing you to work with multiple fastener sizes without needing multiple jigs. 3. Secure and Stable Drilling Designed to work seamlessly with locking Cclamps and Fclamps to prevent movement during drilling. This stability reduces burrs and cracks, delivering cleaner holes and a smooth finished surface for a professional appearance. 4. Durable, Lightweight, and Portable Made from strong yet lightweight aluminum alloy with an anodized red finish. This construction resists wear over time while remaining easy to handle and transport, making it ideal for both workshop and onsite use. Applications: for installing cable railings on residential decks where consistent angle drilling is essential. Suitable for fabricating aluminum and stainlesssteel railing systems in commercial or industrial environments. Handy for custom woodworking projects that require angled or straight precision drilling.