General description Made of aluminum alloy, the 35mm Hinge Jig is designed for precision and durability, making it an essential tool for DIY woodworking. This jig allows for accurate drilling and convenient operation, enabling you to mount concealed hinges on doors or cabinets without the need for professional assistance. Technical specifications Material: Aluminum alloy Drilling depth: 12-13mm Adjustable fixed board size: 15-25mm Hole size: 35mm Screw hole size: 2mm Distance between the 35mm hole and the edge: 5mm Installation Install a 35mm hole opener. Adjust the drilling depth to 12-13mm and lock the limit ring. Adjust the fixed size of the black pressure block of the quick clamp. Move the puncher to the marking and drilling position of the board and lock the quick clamp. Clamp the drill handle and press the hole to a depth of 12-13mm. Drill a 2mm screw hole on the left and right sides, then install the 35mm hinge. Usage This jig is widely used for most common hinges, making it a