Durable and portable drill guide for railing - Sturdy and lightweight construction Made from a lightweight aluminum alloy for durable performance and easy transport. The anodized red finish provides both a clean appearance and long lasting protection. - Fixed drilling angles for precise work The guide provides fixed drilling angles of 30 degrees, 45 degrees and 90 degrees. It is designed for 90 degree horizontal deck posts and angled stair railings to ensure accurate and efficient drilling. - Four guide hole sizes for versatility Equipped with four guide holes: 52 mm, 7.93 mm, 6.35 mm and 4.76 mm. These sizes cover common railing screw options and give you drilling choices. - Stable operation with clamps When used with a lockable C clamp or F clamp, the guide stays steady during drilling. This helps prevent shaking and yields clean holes with minimal burrs and cracks. - Key benefits and what it solves Provides repeatable, accurate drill alignment for railing installations Reduces trial and error and material waste Compatible with most railing screws through its four hole sizes Improves safety and results by stabilizing drilling during use - Specifications at a glance Material: aluminum alloy Finish: anodized red Angles: 30°, 45°, 90° Guide hole sizes: 52 mm, 7.93 mm, 6.35 mm, 4.76 mm Compatibility: works with lockable C clamps or F clamps Applications: 90 degree horizontal deck posts; angled stair railings - Practical use scenarios Installing deck railing posts that require 90 degree holes with consistent accuracy Building stair railings that run at 30 or 45 degree angles for precise bore alignment Drilling screw holes for common railing hardware using the four guide sizes on a stabilized setup This drill guide offers a balanced combination of function, compatibility, size, material and performance to support precise, professional railing installations.