【Double Clamp Design】: The drilling jig uses a double clamp design, one-button pressing, the clamp is more secure. The rubber print head does not damage the painted surface. The clampable plate thickness is 15-25 mm and the opening depth is 10-15 mm. 【Hole Edge Adjustment Function】: The hole edge of the drill hole puncher can be adjusted, and the adjustment range is 3-7 mm. The adjustment plate is made of stainless steel, and the positioning scale is marked for reference. It can be adjusted by loosening the screw and is easy to use. 【Precise Drilling】: The 35mm hinge drilling guide uses three bearing drilling sleeves, with upper, middle, and lower bearing drilling sleeves. The total height of the drill guides reaches 2cm, the drill vibrates less and the drilling is more accurate. 【Edge Banding Groove Design】: Thanks to the concave design of the concealed hinge template guide, the depth of the edge banding groove is 2mm. Holes can also be drilled with our hole saws after the edges of