Dowel Jig Kit for Drilling Straight Holes, Self Centering Doweling Jig with 6 Drilling Guide Bushings Set, Adjustable Drill Jig 0.4in-2.4 in, Hersance Dowel Jig for Puncher Locator Woodworking Joints

Hersance Self Centering And Doweling Jig Advatages of Dowel Jig Kit -- Accurate Self-centering By rotating the locking threaded rod, the aluminum alloy splints on both sides can be gathered or separated at the same time, realizing the accurate self-centering function. -- Wide Clamping Range The self centering dowelling jig can hold workpieces from 0.4'' to 2.4''. -- Accurate Positioning of Drilling Holes Quickly and accurately locate where you want to drill, saving your work time. -- Hardened Steel Drill Bushing The set provides six hardened steel threaded bushings, two for each of 1/4'', 5/16'' and 3/8''. Specification for Dowel Jig Kit Scale: Inch scale Material: Aluminum and steel Drilling size: 1/4", 3/8", 5/16", 7/16", 1/2". Bushing Set: Two each of 1/4", 5/16" and 3/8". Error Adjustment Method 1.Use a hexagon socket to loosen the two hexagon screws in the middle of the fixture. 2. Adjust the aluminum alloy splints on the left and right sides of the central axis to make the left and right diameters of the splint consistent. 3. Tighten the two hexagon socket screws with a hexagon socket. 4. After debugging, the left and right distances are the same and the error is eliminated. Package List: 1 X Self Centering Dowelling Jig 2 X 5/16" Drill Bushings 2 X 3/8" Drill Bushings 2 X 1/4" Drill Bushings 1 X Small "L" Type Wrench 1 X Large "L" Type Wrench