Self Centering Doweling Jig Plus 6 Inch Widen Dowel Jig Extended Step Drill Guide Bushings Set Woodworking Joints Tools

self centering doweling jig Extended can be used to make accurate butt joints miter joints and edge joints as well as acting as a mortising guide. Self Centering Dowel Jig PLUS can be used for more wider material on boards of different thicknesses(clamping wide capacity: 3/8inch to 6inch). Easy to install and use. Suitable for drilling guide and wood board joints it is an Perfect for panel furniture. Made from aircraft grade aluminum more stable corrosion .Accurate positioning: fixture bolts provide very good threads and provide bushes of different sizes to realize simple and convenient precise drilling so that the positioning is more accurate no offset or gaps are left The steel block and clamping screw handle securely tightens the tools like a vise and the thread spacing of screw handle provides uniform and stable clamping pressure for clamping the workpiece. The jig with rugged aluminum sides holding work securely without damage to the wood. There are 4 drill guide holes along the top of the jig 2 holes accept 7/16inch and 1/2inch drill bits directly.the other 2 holes accept threaded replaceable steel bushings. Material:Aluminum + Steel colour:Gold Package Contents: 1 x self-centering pin holder 2 x Steel 1/4inch Drill Bushings 2 x Steel 5/16inch Drill Bushings 2 x Steel 3/8inch Drill Bushings