Made of high-quality high-speed steel, it can be used to polish the surfaces of wood, soft metal and plastic. It is a good tool for diy enthusiasts. Great to Use A valuable addition to any woodworker's rotary tool,suitable for most rotary tools. Product use:used for engraving resin,plastic,soft metal,polished wood,etc. Precautions for use:The fixtures of the supporting power tools should be concentric,and it is strictly forbidden to use them with different fixtures.The shank of the rotating cymbal must be clamped and clamped before use,and it is strictly prohibited to sway during operation. Smoothly move from right to left during cutting,apply even force to prevent jumping and impact,and the handle length should be decelerated.in order to prevent chip scattering,please keep an appropriate distance with the tool and wear protective glasses! Name: Woodworking Rotary File Set Colour:silver Material:high speed steel Package Contents: 1 x Woodworking rotary file set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.