Features: 1. Hinge boring jig made of aluminum alloy,sturdy and durable,the rubber pressure head does not hurt the paint surface,unlike ABS material that overheats with prolonged use,causing the plastic to melt. 2. The thickness of the clamping plate surface is 15-25mm,the opening hole 10-15mm,and the adjustable range of hole margin is 3-7mm. 3. The edge-sealing bottom pressure groove design,the door panel can also operate normally after edge-sealing,without affecting the grooving accuracy,edge groove depth 2mm. 4. The upper,middle and lower 3-bearing drill sleeves,the total height of the drill sleeve reaches 2cm,the higher the height,the smaller the drill bit swings and the more accurate the drilling is. 5. How To Use: Method 1: Use the tool's own hole to punch holes,and the fixed hole distance is 48mm. When drilling a hole,first remove the electric drill from the drilling bit. Method 2: Directly use the hole on the hinge for positioning,which is convenient and fast,and has no size constraints. Specification: Material: Aluminum Alloy Color: Black Product Size: 35mm Product Weight: 700g Package Included: 1 x Hinge Boring Jig