1. Robust and Lightweight: Made from a lightweight aluminum alloy, this railing drilling jig ensures lasting performance and easy transport. The anodized red surface adds a touch of style while providing resistance. 2. Multiple Drilling AnglesWith fixed drilling angles of 30 degrees, 45 degrees, and 90 degrees, this drilling jig is suitable for 90degree horizontal deck posts and 45 30degree angled stair railings. It enables precise and efficient drilling for various applications. 3. Four Sizes of Guide HolesEquipped with guide holes in four sizes: 52 mm, 7.93 mm, 6.35 mm, and 4.76 mm, this jig is compatible with most railing screws, providing versatile drilling options. 4. Stable Drilling with Locking ClampUse this drilling jig with a lockable Cclamp or Fclamp to prevent shaking during drilling. This ensures clean and professional results, from burrs or cracks. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.