Clamping Thickness: This jig is suitable for clamping 0‑25mm sheet thickness, with a glossyappearance, without damaging or the board Rotate the nut to adjust the drilling edge distance, equipped with 35mm hole opener and 2mm drill bit, and practical The hinge hole opener adopt aluminum alloy, light weight and wear resistant, and have a long service life The hinge drilling jig have detachable top cover for easy replacement, and doublebearings drilling sleeves stable drilling The hinge hole drilling jig adopts manual to firm clamping and fastening, and not easy to loosen, Manufacturer: Tsophreniq