Description: Material: aluminium alloy Size:12*12*6cm/4.68*4.68*2.34inches Color:grey 1.Alloy body, anti rust, lightweight and strong. 2.With a clear and precise scale, adjust the scale according to the thickness of the wood, accurate alignment.There are two countersunk head screws on the base support, fix them on the table, drilling is more stronger and firme. 3.35mm hinge opening installation, door hinge punching positioning, woodworking hole opening auxiliary tool.Note: the tool can adjust the fixed board size to 15-25mm Installation method: 1. Install a 35mm hole opener, adjust the drilling depth, which is normally 12-13mm, and then lock the limit ring. 2. Adjust the fixed size of the black pressing block of the quick clamp (note: the tool can adjust the fixed board size to 15-25mm) 3. Move the hole punch to the board marking and punching position, and lock the quick clamp. 4. Fasten the handle of the hole opener with the electric drill, press down the hole at a constant speed to a depth of 12-13mm, and then drill 2mm screw holes on the left and right sides.The distance from the 5.35mm hole to the edge is 5mm, which is suitable for most common hinges 6. Install 35mm hinge NOTE 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only. 3.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more discount. Package include: 1 pcs* 35mm Positioner 1 pcs*35mm Hole Opener (with Limit Ring) 2 pcs* Wrench 1 pcs* 2mm Drill Bit 1pcs* Inner Hexagon Wrench