Features MAIN USE: Circular router bit is designed specifically for creating flush decorative circular edges, choose with confidence! APPLICABLE MATERIAL: Router bit is suitable for wood, MDF, particle board, dense plywood, and other materials. Please avoid cutting black metal and other materials such as steel, iron, sand, etc. 1/4IN SHANK: Universal 1/4 inch shank is compatible with all major milling machine instruments and is the ideal choice for desktop mount milling machines. WIDE APPLICATION: You can use this frame router bit to make beautiful handmade furniture. Kitchen and bathroom doors, office cabinets, floor tables, bedroom shelves, etc. FINE WORKMANSHIP: Well crafted with smoothly finished and fine appearance, this router bit provides clean and smoothly work appearance! Reliable work! Specification: Item Type: Architectural Router Bit Material: Tungsten Steel Alloy Specification: 1/4 x R1.5 Package List:1 x Router Bit 1 x Plastic Bucket  Package List 1 x Router Bit 1 x Plastic Bucket