Applicable Model: These woodworking burr and slotting tools have a standard 10mm thread, which is easy to install and replace, and suitable for 100 type angle grinder. Rotary Burr Design: This kit includes a sphere rotary burr and a cylindrical burr tool that can grind and polish rough wood surfaces to maintain a clean smoothness. Excellent Metal: These angle grinder tools are made of excellent alloy steel with black spray finish, has high hardness, good toughness, impact resistance, wear resistance. High Efficiency: These rotary burr tools have multiple small and hard alloy teeth, which can achieve good grinding and polishing, greatly improving work efficiency. Wide Application: These tools can be used for carving, engraving, grinding, slotting, polishing, suitable for wood, fiberboard, solid wood, multi layer board, MDF, plastic board. Item Type: Woodworking Burr Set Material: Alloy Steel Applicable Model: Suitable for 100 Type Angle Grinder Use: Used for carving, engraving,