Ideal for large projects, this Hinge Drilling Kit allows you to make the standard 1-3/8 inch (35mm cup) hole and hinge screw pattern for Euro-style hinges using a set of drill bits. Use it to quickly drill all the holes you need without having to change tooling. Made of high quality engineering plastic, the Hinge Drilling Kit allows you to drill cup holes for concealed cabinet door hinges, it is durable and easy to use, and comes with Forstner drill bits in different sizes for hinge holes. The package also includes a depth stop. Details Material: Engineering plastic Bit material: Carbon steel Size: approx. 9" x 3-3/4" x 1" (225mm x 95mm x 25mm) Bit diameters: 5/8", 7/9", 1", 1-1/5", 1-3/8" (15mm, 20mm, 25mm, 30mm, 35mm) Options: 5 Drill Set, 1 Drill Set (with 1-3/8"/35mm bit), Drill Bits Only (5pcs)