Description:ã€Durable Material】: Hinge hole opener made of high quality aluminum alloy, precision manufacturing, accurate positioning, convenient operation. The Concealed Hinge Jig allows you to drill cup holes for concealed cabinet door hinges, great for boring concealed hinges and door locks. ã€Sharp and Clean Holes】: This hinge boring dowel is perfect for hardwood, it can drill precise flat bottom holes in hardwood or softwood without splintering.ã€Easy Operation】:The Hinge Drilling Jig is a DIY woodworking tool, easy to use, suitable for your own home operation, does not need professionals. ã€Easy to Install】:The concealed hinge jig is easy to install, assemble, and remove with great convenient. It is very accurate and makes the measurement a .ã€Wide Application】:The hinge adjustment tool is widely used for hinge opening installation, door hinge drilling position, woodworking hole auxiliary tools.It is also a good tool for furniture factories and woodworking enthusiast.Specification:Material:Stainless SteelSize Chart:12cmx16cm/4.72inchx6.30inchPackage Includes:1 Piece Hinge Hole Opener1 Piece Spare Top,1 Piece Positioning Block1 Piece Positioning Rod1 Piece Socket1 Piece Drill Bit1 Piece Hex Wrench1 Piece WrenchNote:Please allow slightly errors due to manual measurement and different monitors.'