DescriptionThis is a set of 10 pieces rotary files. Made of material, it is durableand practical for long time use. Universal handle makes it easier to clamp. They fit most small rotary tools and suitable for woodworking drilling, carving, engraving, milling, etc.Features- Color: Assorted color.- Material: Steel. - Size: About 4.00X0.32X0.32cm/ 1.57X0.13X0.13in.- Made of and sturdy steel material, high hardness, durable for lasting use.-There are drill accessories in different functions and specifications, full-function and practical.- Good grinding effect and hard texture,higher strength and better abrasion resistance.- Fit most small rotary tools for woodworking drilling, carving, engraving, milling, etc.- Widely used for woods board, particle board, chipboard and plywood.