The 1/4-inch core hex handle self-centering hinge drill bit is made of high-quality materials for use on doors and windows, and can also be used for drilling aluminum, copper, stainless steel, and other metal door and window hinges. Ideal for drilling in hinges, hardware, or any application requiring accurate hole placement. The self-centering drill tip design allows for more precise drilling with less eccentricity, helping ensure correctly aligned and centered hinge installation. Features a flat bottom design. The universal 1/4-inch hex shank is compatible with a wide range of power tools and applications. Requires a center pilot hole in various sizes. The self-centering Clic Change door hinge drill bit set includes 9 VIX bits and 1 hex key. The VIX bit sizes are: 5/64 inch, 7/64 inch, 7/64 inch, 9/64 inch, 9/64 inch, 11/64 inch, 5 mm, 13/64 inch, and 1/4 inch. This complete set offers a comprehensive selection for various drilling needs. The brightly colored case is durable and easy to identify. The VIX drill bits feature a unique design and precise manufacturing, making them suitable for both DIY enthusiasts and professionals, whether for personal use or as a gift. Before first use, ensure the center drill bit is securely tightened. When drilling, make appropriate adjustments based on the hardness of the material. For softer woods, smaller bits may be used; for harder materials, select appropriately sized or larger bits. Material: Metal. Color: Multicolor. Package Contents: 9 x Self-Centering Drill Bits (5/64 inch, 7/64 inch, 7/64 inch, 9/64 inch, 9/64 inch, 11/64 inch, 5 mm, 13/64 inch, 1/4 inch), 1 x Hex Key. Only the items listed are included; other products are not part of this package. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in images compared to the actual product. Measurement may vary by +/- 1-3 cm.