Self Centering Doweling Jig Kit Drill Guide Bushings

【Drill-hole sizes】1/4-Inch, 5/16-Inch, 3/8-Inch, 7/16-Inch and 1/2-Inch, suitable for creating different wood pin joints 【Six hardened steel bushings】Two each of 1/4-Inch, 5/16-Inch and 3/8-Inch 【Ability】Adjustable, it can clamp on different thickness of wood boards from 10mm(0.39 Inch ) to 55mm(2.17 Inch). 【Material】Made of special aluminum, corrosion-resistant and longer service life 【Use】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.If there is a problem of asymmetry between the left and right distances in the use of the fixture, please refer to the practice in A+ to adjust Product Description Self Centering Doweling Jig Kit: 1: Clamp the Doweling Jig Kit with Doweling Jig Bushings on a workpiece to effortlessly drill dowel pins that require precise right-angles and exact alignment 2: No measuring or calculating necessary