Main FeaturesComplete SetThe hinges are available in 8 different sizes: 5/64', 7/64'', 2 9/64'', 11/64'', 13/64'', 0.197 inch and 1/4'' with 1 hex wrench. Material: Made of high-speed steel drill bit and designed with cooling housing. High hardness, durability, excellent drilling performance. UniversalVery suitable for hinges, handles, slides for drawers, cabinets, windows, woodwork, etc. suitable for professionals and DIYers. Suitable for most general electric drills. Wide Range of ApplicationsThe drill bit is a standard drill bit of all sizes, which can meet your needs, it can be well in contact with wood projects, or work mostly for quick disconnection of adapters (such as wooden windows or door threading, etc.). Precision toolThe adjustable design allows you to drill holes with ease. The spring-loaded outer guide with taper head keeps the high-speed drill centered to form perfect guide holes, make it very easy to align the hole, you can align the center every time. Application Scenarios Stylish Gift: Made of high quality steel, you can punch clean and accurate holes of the counter. Quite robust and reliable. The best choice is to give the drill as a gift for your father, brother or husband. IncludesName: 4+1 Hinge Drill Bit Specifications: 5/64'', 7/64'', 9/64'', 11/64''Name: 6+1 Hinge Drill Bit Specifications: 5/64'', 7/64'', 9/64'', 11/64'', 13/64'', 1/4''Name: 7+1 Hinge DrillSpecifications: 5/64'', 7/64'' '', 9/64'', 11/64'', 5'', 13/64'', 1/4'' Name: 8+1 Hinge Drill Bit Specifications: 5/64'', 7/64'', 9/64'', 9/64'', 11/64'', 5'', 13/64'', 1/4''Name: 16+1 Hinge Drill Bit Specifications: 5/64'', 7/64'', 9/64'', 9/64'', 11/64'', 5'', 13/64'', 1/4''Using MethodSpecificationMaterialsHigh Speed SteelProduct Size8PC+1 Hinge: 15CM 13CM3CMPull Weight8PC8pcs Hinge Drill Bit +1: 310G Package Value Door & Hinge Window Hinge Opener 1NoteDue to manual measurement, please allow slight deviation in measurement. Due to different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the pictures.