General description Drill guides are available with drilling angles of 30 degrees, 45 degrees, and 90 degrees. They are suitable for 90-degree horizontal deck posts and 45-degree and 30-degree angle stair railings, ensuring the angle is fixed without deviation. This efficient and compact angle drill guide is easy to carry and can be used with locking C-clamps and F-clamps to prevent wobbling while drilling, allowing for clean holes without burrs or cracks. Perfect for installing wood, aluminum, and stainless steel posts, deck railings, cable railings, stair deck railings, and various DIY railing projects. Technical specifications Drilling angles: 30°, 45°, 90° Drill guide hole sizes: 3/8 inch (9.52 mm), 5/16 inch (7.93 mm), 1/4 inch (6.35 mm), 3/16 inch (4.76 mm) Material: Aluminum Alloy Color: Red Measurement allowed error: +/- 1-3 cm Package Contents 2 x Drill Guide Other information Note: Light reflection and different displays may cause the color of the item to differ slightly