Features: 1. Material: hinged hole finder, ABS plastic material, light and portable 2. Drill Guide Set: This jig can be adjusted to fit the door edge and the drill bit works well to remove debris and work efficiently. The tool set is perfect for boring hiddens hinges and door locks. 3. Easy to use: Even if you are not a professional, you can quickly locate the center point of the drill bit for hinges and mounting plates. 4. Wide range of applications: The bit are suitable for drilling presses, pistol drills, table drills, vertical drilling machines, etc. 5 Usage: First of all. Determine the position of the hinge cup, with the short board facing up, screwed to the edge of the board, and drill the hole for the hinge cup; Then. Draw a corresponding center line on the other board, with the short board facing down and the center line aligned with the inverted triangles, and drill the hinge positioning hole; Finally. Install the hinge. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: As picture show Material: ABS includes: Choice 1: 1X Hinge Hole Drill Guide Locator Set Choice 2: 1x Hinge Hole Opener Template