Features:Size: 7pcs 6.35mm or 6mm shank keyhole router bit set,and 3 4 5 6 8 10 12mm in blade diameter.Usage: Perfect for long slots as well as to make slots for hanging purposes, picture frames, shelves, cabinets, support fixtures and other wall hangings etc.Wide Applications: It is can be used for wood door tip installation, drawer, plastic, wood, plywood, etc.High Quality: Made of carbon steel with good processing quality, durability and long service life.Lightweight and Portable: These router bits are easy to use and store, and it is convenient for you to carry when working.Specifications:Material: Carbon SteelColor: GreenItem Size: 6mm / 6.35mm (Optional)Quantity: 7 PiecesItem Size: 6mm / 6.35mm (Optional)Package Size: 10 * 8 * 8cm / 3.9 * 3.1 * 3.1inPackage Weight: 130g / 4.6ozPackage List:7 * Router Bits