Type: Center Drill BitDIY Supplies: Woodworkingtwist drill bit: screw extractorcountersink drill bit: step drilldrills: extractor the fishJig is an economical alternative to expensive drilling devices and confusing jigs.Tool quickly locates drill center points for all of hinges and mounting plates.Features a "V"-locator that works off of a center reference line.Jig can be adjusted for changes in door cup alignment.Name: Hinged hole locatorFunction: light and portable, easy to operate;sharp and durable, continuous knife,Suitable for positioning and installation of furniture door hingesInstructions:1. Determine the position of the hinge cup, the short plate is facing upward, the screw is fastened on the edge of the wooden board, and the hinge cup hole is drilled;2. Draw a corresponding center line on the other board, the short board faces downward, the middle line is aligned with the inverted triangle, and the hinge positioning hole is drilled;3. Install the hinges.colour:blueMaterial:ABS+ metalsize:Hinge Locator: 77*66mmHole opener: 35mmPackage Contents:1* hinge positioner1* hole openerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.