Drill guides are available with drilling angles of 30 degrees, 45 degrees and 90 degrees. Suitable for 90-degree horizontal deck posts and 45-degree and 30-degree angle stair railings, the angle is fixed without deviation With four drill guide hole sizes for each angle, 3/8 inch (9.52 mm), 5/16 inch (7.93 mm), 1/4 inch (6.35 mm), 3/16 inch (4.76 mm), each compatible with most cable railings, cable protector sleeves and lag screws. An efficient and compact angle drill guide, easy to carry. Drill guide for angle drills can be used with locking C-clamps and F-clamps to prevent the drill from wobbling while drilling and allow holes to be drilled without burrs or cracks. Perfect for installing wood, aluminum and stainless steel posts and deck railings, cable railings, stair deck railings and DIY railing projects. Color: Red Material: Aluminum Alloy Package Contents: 2 x Drill Guide Only the above package content, other products are not included. Note: Light reflection and different