Features: brand new and high quality Made of high-quality stainless steel & plastic materials, high hardness, non-deformation and anti- corrosion. 35mm hinged forstner drill bit adopts a center-positioned tip design to make cutting sharper. Tip: The drill chuck should clamp the hole-saw, so that the drill bit will not drift. Hole diameter of hinge hole locator: 35mm/1.4inch. The hinge drill guide can help you draw the perfect hidden hinge hole quickly. The "V"-locator that works off of a center reference line and quickly locates drill center points so that the hole will not shift. Make cabinet door installation easy. It is suitable for home operation by yourself, and the hinge can be installed quickly without professionals. It is the for ideal wood working DIY tool for you. Great for boring concealed hinges, door locks and mounting plates or other DIY projects. Specifications: Material: Stainless Steel + Plastic Package Includes: 1 Set Hinge Drilling Jig note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.