Tysun Self Centering Doweling Jig Drilling Guide Positioner Woodworking Doweling Jig Tool Hole Drilling Guide Self Centering Locator

Easy to Use: Large steel clamping screw tightens the tool like a vise with the rugged aluminum sides holding your work securely without damaging your application. Built to Last: Make of high quality aluminum alloy material is more stable, corrosion resistance for ultimate strength and longevity. Warm Note: Regularly clean and lightly oil the center screw for smooth action. Specifications: Tools Size: 120 x 62 / 4.72" x 2.44"(L x W) Acceptable wood thickness: 9mm-59mm / 0.35"-2.32" 5 Pcs standard drill size: 1/4", 3/8", 5/16", 7/16", and 1/2" Bushings size: 2 x 1/4", 2 x 3/8", 2 x 5/16" Material: Alloy Steel Distances Adjustment Instructions: 1: Unscrew the two left screws with the hexagon socket. 2: Adjust the large screw on the middle rod to make the left and right distance of the product consistent. 3: After the left and right distances are the same, tighten the left two socket head cap screws. 4: Rotate the small rotating rod, and check whether the left and right distances are uniform in the experiment. Package Includes: 1 x Doweling Jig 6 x Bushings