These rotary files, are compatible with most kinds of die grinders or rotary . Perfect for all skill levels, this is a necessary kit for metalworkers and woodworkers who cleans up welds or works with metal frequently, also suitable for woodworking. It is easy to grasp and use, bringing you safe and satisfying using feeling. Features - Color: silver. - Material: stainless steel. - Size: 5.00X0.60X0.60cm/ 1.97X0.24X0.24inch. - Using stainless steel materials, this rotary file is practical and durable, not easy to damage for long servicing time. - They can help you with woodworking things, satisfy most of your drilling needs, fit for tool making, model engineering, wood and more. - We offer you various types of rotary bits, you can use them according to your actual demands. - Great for drilling, grooving, shaping and other works, widely applied for processing various kinds of material. - Simple structure, easy to use, suitable for beginners, DIY enthusiasts and skilled people to complete , engraving, root . Package list: 10 x rotary files