Enhance your drilling precision with this high-quality Drill Guide, expertly crafted from premium aluminum alloy featuring an anodized surface for exceptional durability, wear resistance, and corrosion protection. Designed specifically for cable railing installations, this drill guide set includes four drill bits in sizes 3/8", 5/16", 1/4", and 3/16", perfectly compatible with cable railing lag screws to meet various project requirements. Key Features: · Premium Aluminum Alloy Construction: Made with durable anodized aluminum alloy and steel drill sleeves that resist wear and maintain accuracy even after repeated use, ensuring long-lasting performance. · Four Size Drill Bits Included: Equipped with drill bits sized 3/8", 5/16", 1/4", and 3/16" to accommodate different cable railing lag screw dimensions for versatile application. · Multi-Angle Drilling Capability: Supports precise drilling at 30°, 45°, and 90° angles; ideal for angled stair railing posts, horizontal or vertical cable railings, and deck posts, providing flexibility for a wide range of installation scenarios. · Easy and Stable Use: Designed to be used with locking C-clamps or F-clamps (not included) to secure the drill guide firmly in place, preventing shaking and ensuring hole accuracy, while delivering clean holes free from burrs and cracks. · Compact and Portable Design: Lightweight and compact for convenient storage and portability, allowing you to carry the guide and drill bits effortlessly to any job site and increase your work efficiency. Specifications: · Color: Red · Material: Aluminum Alloy with Steel Drill Sleeves · Drill Bits Length: 126mm (4.96in), 113.5mm (4.47in), 102mm (4.02in), 89mm (3.50in) · Package Size: 141 x 62 x 32mm (5.6 x 2.4 x 1.3in) · Package Weight: 382g (13.5oz) Package Includes: · 1 x Drill Guide · 4 x Drill Bits (3/8", 5/16", 1/4", 3/16") This versatile Drill Guide set is an essential tool for professional contractors and DIY enthusiasts working on cable railing systems, providing precise, multi-angle drilling capability combined with superior durability and ease of use to efficiently complete your projects with accuracy and confidence.