Product Description:1. Compact and lightweight, makes your work more convenient. Improved accuracy and less expensive mistakes.2. A good helper for woodworking in home DIY.3. Fixed drilling for easy punching without displacement. For 35mm concealed hinges.4. The drill guide is made of fine material for long-term storage and use.5. A necessary and must-have tool in your door drilling work.Product Specifications:   Name: Hinge Jig Drill Guide SetMaterial: ABS + metalSize: about 77*60mm/3.03*2.36inchNet weight: 150gInstructions:1. Locate the position of the hinge cup, with the short board facing upwards, fasten the screws to the edge of the board, and drill the hinge cup hole.2. Draw the corresponding center line on the other board, the short board is facing downwards, the center line is aligned with the inverted triangular, and drill a hole on the hinge base.3. Install the hinge.Packing List: Hinge Locator*135mm/1.38inch Sliding Hole Opener*1Wrench*1Notes:  Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.