This hinge installation holes punching locator is made of aluminum alloy material, high strength, high corrosion resistance and wear resistance. With adjustable screw, stainless steel positioning adjustment plate, can clamp plate thickness 15-25MM. Drilling depth can be adjusted 10-15mm, hole margin adjustment function, 3-17mm margin adjustable. This tool is widely used for installing hinges, drilling parts of cabinet door hinges, assisting woodworkers to drill holes, etc. Shaft-bearing Drill Sleeves: Up-and-down 2 shaft-bearing drill sleeves design, stable fixing, more accurate hole opening. The tool is suitable for most 35mm ring-applications. Clamping Thickness Adjustable: Upgraded firm clamping, clamping firm. Adjustable screw, stainless steel positioning adjustment plate, can clamp plate thickness 15-25MM. Rubber Pressure Handle: Rubber pressure handle, soft rubber coating, do not hurt the surface of the paint, and will not slipping. Depth & Margin Adjustable:Drilling depth can be adjusted 10-15mm, hole margin adjustment function, 3-17mm margin adjustable. Optional Drill Bit:Carbide drill bit with sharping cutting edges, carefully ground, smooth and efficient drilling. Widely used:This tool is widely used for installing hinges, drilling parts of cabinet door hinges, assisting woodworkers to drill holes, etc. Specifications: Name: Punching Locator Material: aluminum alloy Type: with drill bit, without drill bit (optional) Item size: 120 * 70mm / 4.72 * 2.76in Package size: 175 * 100 * 90mm / 6.89 * 3.94 * 3.54in Package weight: Without drill bit: 500g / 1.10lb With drill bit: 570g / 1.26lb Packing List: 1 * Punching Locator