Achieve professional drilling accuracy with this Portable Drill Guide Jig featuring 30°, 45°, and 90° angle drilling capabilities. Designed for deck cable railing installations, stair handrails, fence projects, and woodworking applications, this precision drilling guide helps create clean, accurate holes with minimal effort. Built from durable aluminum alloy, it offers exceptional strength while remaining lightweight and portable. Four integrated guide sizes—3/16 in., 1/4 in., 5/16 in., and 3/8 in.—provide versatility for a wide range of drilling tasks. Clear laser-etched scales and alignment markings improve accuracy, while the V-groove base securely positions round, square, and irregular workpieces. Ideal for contractors, DIY homeowners, and cable railing installations requiring precise angled or horizontal drilling.