High quality materialConcealed hinge jig device we use high quality aluminum alloy material, precise manufacturing, precise positioning, sharp bit, easy to use, wear-resistant and durable, long lasting of life. This very practical carpentry punch is a great tool set for furniture factories and woodworkers to install concealed hinges on doors or cabinets. Double pliers design We have Improved the three-bearing drill sleeve of Hinge Jig to reduce the swing distance of the drill bit and improve the accuracy of hole opening. Double clamps on the front and back, again firmly securing the layout without damaging the finish. Applicable to door thickness: 15-25mm, opening depth 10-15mm Margin adjustment function The total height of the upper, middle and lower load-bearing drill sleeve of Hinge template is 2 cm. The higher the height, the lower the vibration of the bit and the more precise the drilling will be. We added the margin adjustment block and 2 adjustment screws, the distance between the 35mm hole and the edge can be adjusted between 3-7mm, while in the old version, the distance between the 35mm hole and the edge can be adjusted between 3-7mm, while in the old version, the distance between the 35mm hole and the edge 35mm and the edge was fixed at 5mm. Installation method1. Install the margin adjustment block; 2. Install the 35mm hole opener, set the drilling depth to 12-13mm and lock the limit ring. 3. Adjust the fixing size of the black pressure block of the quick coupler; 4. Move the drill guide locator to the plate marking and drilling position, and lock the quick release; 5. Drill the holes with the drill bit to a depth of 12 to 13mm, drill 2 holes for 2mm screws. Cabinet hinge punch set1*hinge drill, 1 *35mm hole opener, 1*top link bearing, 1*depth locator ring, 2*wrenches, 1*2mm drill bit, 1*hex wrench. You can use the wrench to adjust the press plate to the desired thickness. The hinge jig is made of high quality aluminum alloy for strength, precise positioning and long service life. life. The hinge adjustment tool fits 35mm hinges and 26mm hinges, allowing you to easily install multiple cabinet doors. The holes are precisely positioned and it is easy to drill new holes without cracking or breaking. Features Made from aluminum for long life, precise manufacturing, a precise locking and easy operation. The drill sleeve has been improved and replaced with a more wear-resistant bearing, which significantly reduces wear problems and is less likely to jam, making the hole opening smoother. Easy to install, no need for experts. Adjustable pressure plate: the thickness of the fixed plate can be from 15 to 25mm. Widely applicable to most common hinges: the distance between the 35mm hole and the edge can be adjusted to 3-7mm, suitable for most common hinges. < p>Specifications Material: Aluminum alloy Product size: 75*118mm Quantity: 1 set Package< /p> 1*hinge drill 1*35mm hole opening tool 1*Top link bearing 1* Depth positioning ring 2*Wrenches 1*2mm drill bit 1*Hex wrench Tips 1. All product data is measured by hand, there may be an error of 1-2cm. 2. The first time you use it, it is recommended to try several times, you will find the trick to use it. 3. When operating or idling, it is recommended to add a little lubricant inside the bearing to reduce loss of hinge gauge and prevent rusting.