Feature:10Pcs in 1 Set: There are 10pcs grinding file in different sizes, satisfying your various working needs.High Efficiency: The grain on the blade will facilitate chip removal and raise grinding efficiency as well.Premium Material: Forged with tungsten carbide and cemented carbide, wear resistant and also very durable.Wide Application: For wood, plastic and materials with low density, ideal for woodworking, polishing, etc.With Plastic Box: Comes with a plastic box, both the carrying and storage are much easier for daily work.Specification:Item Type: FileMaterial: Tungsten Carbide + Cemented CarbideShank Diameter: Approx. 3mm / 0.1inBlade Diameter: Approx. 6mm / 0.2inTotal Length: Approx. 42 ~ 51mm / 1.7 ~ 2inWorking Length: Approx. 7 ~ 16mm / 0.3 ~ 0.6inPackage List:10 x Doubel Cut File1 x Blue Plastic Boxor10 x Single Cut File1 x Transparent Plastic Box