Fangrui Product Details Do Not Put The Drill Hole Cutter Through The Red Positioning Plate Directly As It Is Only Used To Draw The Installation Position Of The Hinge Hole To Locate The Center Hole. After Drawing, Remove The Positioning Plate And Start Drilling. The Cutter Fit In The Plastic Template Hole) Hinge Drill Is Made Of Premium Carbide With The Characteristic Of High Hardness, Non-deformation And Anti- . And The Hinge Drill Guide Made Of Abs Plastic, , And Portable. 35mm Forstner Drill Bit Adopts A Center-positioned Tip Design To Make Cutting . The Drill Bit With A Detachable Depth Limiting Baffle And A Clear Scale Makes Drilling Easier And More Efficient. Tip: The Drill Chuck Should Clamp The Hole Saw, So That The Jig Bit Not Drift. Hole Diameter Of Red Position Plate: 35mm/1.4inch. The Hinge Drill Guide Can Help You Draw The Hidden Hinge Hole Quickly. And The V-locator That Works Off Of A Center Reference Line And Quickly Locates Drill Center Points So That The Hole Not Shift. Make Cabinet Door Installation Ea