1、CEMENTED CARBIDE MATERIAL: Made of premium cemented carbide material, this router bit is strong and sturdy, wear and impact resistant, ensures a long life span. 2、FINE WORKMANSHIP: Router bit is well crafted with fine appearance and even threads, which can make clean edges and top surfaces. 3、APPLICABLE MATERIALS: This router bit is suitable for wood, medium density fiberboard, particle board and dense plywood; Please avoid cutting black metal and other materials such as steel, iron, sand, etc. 4、WIDE APPLICATION: This 1/4 shank trim bit is an ideal tool for for kitchen and bathroom doors, office cabinets, floor tables, bedroom shelves, frames, wall, and more. 5、COMPATIBLE WITH: Used for CNC and other automatic engraving machines, as well as hand and table assembly, portable engraving machines. 1 x Compression Flush Trim Bit 1 x Storage Box  Item Type: Compression Flush Trim Bit Material: Cemented CarbideSpecification: 1/4 x 1/4 x 1 x 3 (inches)